30 Of The Handiest Gadgets On Amazon For Under $20

AllTools Car Headrest Hanger Hooks, $10 (Set of 2), Amazon

Save space and keep your car more organized with these hanger hooks, which hang from the back seat and is great for holding everything from purses and grocery bags to coats and more. These fit most car seats and are incredibly easy to install. Additionally, they can also hold up to 11 pounds and — positioned together — can support heavier objects, too.

OxyLED Motion Sensing Closet Lights, $19, Amazon

Stylish and practical, these motion-sensing closet lights are a terrific investment if you're looking for a creative way to light up your closets, bookcases, drawers, and so much more. They come with an automatic sensor, light up in three different modes, and shut off after 20 seconds when no motion is detected. Easy to install and completely rechargeable via USB, it's a great lighting option to have anywhere you find yourself stumbling around to find things in.

Chef'n Slicester Cheese Slicer, $9, Amazon

Cheese lovers definitely want to try this durable slicer out. Ideal for semi-soft block cheeses, it helps create the perfect slice for any meal you have in mind. Made with a blunt stainless steel blade, just place it on the top of a cheese block and press down to create a slice. You can adjust the thickness by twisting the dial near the blade, so it's ultra convenient to use from the first try. It's also dishwasher-safe on the top shelf.

Ailaiya Facial Cleansing Brush, $10, Amazon

Remove dirt, makeup, and cleanse your pores completely with this silicone brush, which was designed to help get rid of dirt hidden in pores. Each time you use this brush, you can help boost blood circulation, tighten pores, and get radiant, all-over shine. It vibrates at over 6,000 times a minute, and has a cleansing side and a side that helps sink serums and moisturizers deeper into the skin.

Chuzy Chef Pancake Batter Dispenser, $13, Amazon

Making pancakes doesn't have to be messy, and it won't be with this oh-so-useful dispenser, which efficiently deposits the perfect amount of batter you need to make everything from flapjacks to cupcakes, plus other desserts. It has a 4-cup capacity and reviewers call it durable and "[an] excellent source for precise baking and pancake making."

Neloodony Aromatherapy Diffuser, $13, Amazon

Eager to turn your bedroom or office into the ultimate space for rest and relaxation? If so, then this adorable little diffuser is a must-have. Cheaper than most other diffusers you'll find on the market but still incredibly efficient and easy to operate, it also works as a humidifier to add moisture back into the air — which is great for allergy sufferers. It also emits soft lights, and can cycle through up to eight soothing colors.

Rienar Multi-Functional Grip Holder, $5, Amazon

Prop up your smartphone in the creepiest (and most hilarious) way ever with this holder, which is designed to look like a spider. The legs of this holder look like real spider legs, and they're made of soft, bendable rubber that's smooth to the touch — and an aluminum alloy inside that keeps things sturdy and your phone safe. Compatible with virtually any smartphone or tablet, this is a must if you want to go hands-free.

Kitchen Innovations Garlic Press, $14, Amazon

Slice, dice, peel, and grate garlic conveniently with this unique garlic tool, which comes with a silicone peeler and two blades. You won't get any annoying odors on your hands using this — it peels, dices, and presses without ever having the garlic touch your fingers. It also cuts down on prep time and comes with a clear container, so you can store fresh garlic for easy meal prep.

MIRA Carrier with Carabiner Clip, $7, Amazon

If you're camping, hiking, or just always on-the-go and plan to bring a water bottle along with you, having this carabiner is essential. Practical and totally affordable, it snugly fits the neck of most bottles up to 25 ounces — and can ever work with soda bottles. Just clip it and go, and you'll never have to hold a bottle again while you're traveling. One reviewer writes: "Perfect fit. Secure hold and snug."

MagicLight Bluetooth Smart Candle Light, $18, Amazon

This Bluetooth-enabled smart candle isn't just handy: it also happens to be really fun. It comes with a color palette of more than 16 million colors, including a variety of tones of white. Dimmable and easy to change — you essentially have infinite decorative possibilities at your disposal. Best of all, since it's an electronic candle, it gives incredible peace of mind as well. You can even use your smartphone to sync light from this candle to your favorite tunes — and there's even a timer mode for these.

Angry Mama Microwave Cleaner, $11, Amazon

Get rid of all that gunk and crusted on food debris that's been in your microwave in just five minutes with this wacky but really innovative microwave cleaner. This little gadget steams disinfects everything with just vinegar and water (and some optional lemon juice for a pleasant scent) — because no chemicals are needed to get your microwave looking brand new. It's also incredibly durable and dishwasher-safe, so it'll last a really long time.

Sphynx Razor Wheel, $18, Amazon

Discreet and compact, this three-in-one travel razor is an amazingly convenient option when you're trying to shave on-the-go. It comes with a refillable water spritzer (so you can pretty much shave anywhere), a pre-shave moisturizing bar, and two razor blades ideal for all skin types. You can fit this in a purse or carry-on, and the bar doubles as a moisturizer because it's made with hydrating coconut oil and shea butter. One reviewer writes: "The rotator is really simple to use and the razor blades are sharp. Its great not having to be by the sink to use it. The soap seems like it can last me at least a few months. I also like the spray bottle feature...you can even replace it with some perfume so that it's easier to carry in your bag."

WaterPik Power Flosser, $9, Amazon

Hate using string floss, even though your dentist keeps recommending it? Avoid the hassle but still get all the same great benefits with this power flosser, which delivers 10,000 gentle tip strokes per minute and is battery-operated for easy use. It doesn't need water to work, and comes with 16 flexible nylon tips. One reviewer writes: "I am proud to say I don't know anyone who likes to floss, including me, but this inexpensive little tool makes it much less tiresome and almost pleasant. So I floss now, and my dentist and hygienist can actually tell that I am doing so."

smartRSQ 37-in-1 Wallet Multi-Tool Card, $18, Amazon

Looking for the ultimate gift to give the most practical person in your life, or just love being prepared for everything? With this multi-tool, you're getting 37 tools in one that fit right in your wallet — think things like a fruit and vegetable peeler, a can opener, a carabiner, a ruler, a letter opener, and various wrenches and screwdrivers. It comes with enhanced functionality and is made with a heavy-duty alloy finish, so it's built to last, too.

Dash Mini-Maker Griddle, $15, Amazon

Cute and incredibly compact, this mini griddle makes for a great addition to any kitchen — but works especially well for college students or those who have just moved into their first apartments. With its non-stick surfaces, plus easy-to-follow functionality, it's a griddle that makes breakfast (or lunch or dinner) less of a chore to do. "I'm OBSESSED with mine. It's perfect for whipping up something small (or big!). Especially if you're just making something single serve," wrote one reviewer. It's great for pancakes, eggs, and more.

1byone Portable Fabric Shaver and Lint Remover, $15, Amazon

When your clothes have seen better days, this two-in-one fabric shaver and lint remover can really be a lifesaver. It removes fabric fluff, lint, and excess threads. This device also is completely adjustable and works on a range of fabrics, so you can use it on virtually anything. Best of all, it expands, so you can even use it on couches or to cover other large areas.

Apalus Mini-Hair Straightening Brush, $10, Amazon

Fast, portable, and safe to use on-the-go, this mini-straightening brush is one investment that your hair will thank you for. All you have to do is brush this through (which also detangles it!) and this handy little hot tool will help it transform instantly into straight and smooth locks. It works because it releases negative ions that trap in moisture, which can reduce breakage and keep things shiny. You can also fold it and take it when you when you're traveling, and since it heats up to 450 degrees Fahrenheit in under 90 seconds, it works quickly to give you the style you want.

INFRAY Pocket-Sized Black Light, $18, Amazon

This black light is an authentic and simple way to spot everything from insects to unwanted stains (especially if you have pets that tend to pee everywhere), and can be a great way to authenticate ID cards, currency, and other sensitive documents. Made with an unbreakable and scratch-resistant poly-carbonate lens, plus tough aluminum, it's one device you can get a ton of use out of. One reviewer writes: "This has a good strong metal barrel of good quality manufacturing. The light is very bright and it goes further into the UV spectrum than most other lights on the market."

360 Electrical Surge Protector with Rotating Outlet and USB Ports, $18, Amazon

Buying a surge protector like this may not be at the top of your must-buy list — but it really should be, because this device comes with everything you'll need to keep your devices charged up and protected. It has 360-degree rotating outlets with giant plugs, two USB outlets, and advanced surge protection. Lightweight and flat, you can also bring this along during trips.

THAT! Scoop That II Warming Ice Cream Scoop, $20, Amazon

Get a mouthwatering bite of your favorite dessert with this ice cream scoop. Powered with a biodegradable thermo liquid that heats up just by holding the handle, you can use it to scoop super-hard or extra frozen ice cream. Another advantage to this scoop is that it's coated to keep ice cream from melting as you scoop. There's absolutely no battery or electrical charge needed with this, which is what makes it an incredibly cool gadget to own.

Neutrogena Light Therapy Acne Spot Treatment, $20, Amazon

Trips to the dermatologist's office can be expensive, but this light therapy treatment from Neutrogena provides an affordable way to spot treat acne and treat breakouts quickly — with the same technology you get at the doctor. It uses red and blue light to penetrate skin, target pimples, and reduce the cause of breakouts without itching or flaking. Just use it for two minutes up to three times a day and reviewers say you can really see a difference.

Jokari Sandwich Bag Racks, $11 (2 Pack), Amazon

Leftovers can help you make the most of every meal, but if you hate storing food in storage bags because of how messy it gets, you might not be making the most of every dollar. These bag racks are the ideal solution because they help you transfer food into bags without spilling, and fasten to most freezer, sandwich, and storage bags, making them a kitchen essential.

TP-Link WiFi Range Extender, $20, Amazon

Boost the power of your WiFi network and get stronger wireless coverage all over your house with this range extender. It works with any router or wireless access point — and can easily expand your coverage with just the push of a button. If you live in a large house or with lots of roommates all trying to get coverage off the same router, this can really come in handy. It also has two external antennas, so you'll get faster and more reliable service in the process.

Housmile Rechargeable Table Lamp, $19, Amazon

With an almost perfect five-star rating on Amazon, this rechargeable table lamp is a delightful option for your home or for outdoor camping trips. It comes with a built-in battery that can be recharged via USB, and can run for five hours continuously on the highest setting. "It works well, has a lot of light intensity options, easy to use, it charges quick enough and lasts a long time on a single charge," wrote one reviewer. It also remembers the settings you prefer and has a loop you can hang it from.

Koeson Digital Infrared Laser Thermometer, $17, Amazon

Whether you're cooking, barbecuing, or doing home improvement projects, this digital laser thermometer is a terrific investment that can give you accurate readings. It offers exact precision, making your measurements reliable, efficient, and totally easy to read. Reviewers say once you have it, you'll probably find all kind of inventive uses for it, too — and it takes less than a second to work.

Avantree iPhone Keychain, $20 (2 Pack), Amazon

"So, so handy for me to have with me at all times, as I've been caught on occasion not having a charger," raved one reviewer of this set of iPhone keychains, which are designed to be compatible with virtually every Apple device and are ideal for syncing and charging when you're on-the-go. Take your gadgets with you anywhere and forget about having to lug around heavy, inconvenient chargers, because with this, you'll have all you need. They're also incredibly thin and can fit comfortably in a pocket.

LuxFit Neck and Shoulder Shiatsu Massager, $13, Amazon

Relieve pain and discomfort in your neck and shoulders with this Shiatsu massager, which helps increase blood flow and loosen up tight knots in hard-to-reach areas. Made with gentle germanium knobs that are made from silicone — and designed to feel like a massage therapist's hands — these balls help reverse the impact of overuse by delivering instant pain relief.

LENRUE Portable Wireless Bluetooth Speaker, $13, Amazon

Play your favorite songs wherever you want to go with this wireless Bluetooth speaker, which is compatible with most Apple and Android devices and is to use up to 33 feet away. It comes with a built-in mic, so you can also use this to answer calls and go hands-free when you choose. Lightweight and small, this speaker can also fit in your purse or backpack, so it travels with you easily.

FRiEQ Car Air Purifier, $14, Amazon

Have stubborn odors left your car smelling like last week's lunch? This lightweight air purifier is actually one of the strongest options on the market now, and has more than 1,000 reviews on Amazon from people who say it really does an amazing job of getting rid of smoke, stale odors, and contaminants like mold, bacteria, and viruses that can linger in the air and make it tougher for you to breathe.

Bustle may receive a portion of sales from products purchased from this article, which was created independently from Bustle's editorial and sales departments. This article reflects price at publication and may change.