The small but mighty DEET-free mosquito repeller is the one item you need on your patio this summer. With the push of a button, the Thermacell repellent gets to work, providing a 20-foot barrier between you and the bugs. This way, you and your loved ones can freely enjoy the outdoors for up to 12 hours without so much as a swat. To buy: $40; amazon.com. This Thermacell pick uses a long-lasting repellent refill that gets inserted right into the device. Once the repeller is on, it sends a signal to the battery-powered heater, releasing repellent all around you. One note: Its protection mode is at its highest after 15 minutes. And what’s nice is you won’t even notice it. However, if you’re not sure it’s actually working, the device produces audio sounds and has LED lights that verify it’s fighting the good fight. Plus, unlike strongly scented citronella candles, the repellent released here smells like, well, nothing. In fact, the repeller is designed with a fragrant-free repellent and doesn’t use a flame, either, making it ideal for everyday use—especially while dining alfresco, grilling on the deck, or having a few drinks on the patio. In fact, one shopper who bought the repeller because of a friend’s recommendation said it delivers a “better outdoor experience” and confirmed that “it really does keep the mosquitos away with no citronella smell.” While the refill provides 12 hours of protection, the device has a runtime that’s just under six hours. But don’t fret: It can be charged while in use via its USB charging cable, so the party can stay outdoors all evening long. Another person who lives in Florida titled their review, “Push-button mosquito repellent that actually works.” They also said it is “easily the most effective and convenient mosquito repellent on the market” and shared, “I just started using it a few hours ago and am already amazed and shocked at its effectiveness.” Get rid of mosquitoes without the smell with the $40 Thermacell rechargeable mosquito repellent.