INDOOR AND OUTDOOR USE: The rechargeable mosquito repellent is a must all year round. Whether at home, kitchen, courtyard or garden, or going camping, hiking, fishing or enjoying a family picnic, our portable mosquito repellent can play a role at any time, let you no longer be disturbed by a variety of flying insects. SAFETY AND RELIABILITY: Our rechargeable mosquito repeller adopts one-button switch, no smoke or other irritating odors, safe and worry-free, to drive away the annoying mosquitoes for you!. HEAT-ACTIVATED TECHNOLOGY: The rechargeable battery powers a heater that diffuses mosquito repellent from the repellent refill into the air. Turn it on and within 15 minutes you will be protected from mosquitoes in the surrounding area. When finished using it just turn it off. It is that easy. No sprays to wash off and no candles to blow out. EFFECTIVE MOSQUITO REPELLENT: The rechargeable mosquito repellent creates a 20 ft zone of protection against mosquitoes. Easy to use, one button keeps mosquitoes away. Ideal for the patio, deck, poolside, cottage and more.