VEPOWER 2018 Upgraded Ultrasonic, Electrical Bug RepelUltrasonic Pest Repeller, 1 NO SPRAY ANTI MOSQUITO REPELLER  Made of Natural active ingredients formulated with essential oil (Deet free) and all size adjustable. FREE 2 DEET REFILLS  Anti mosquito repellent comes with 2 refills pellets for for 30 days or more. When your refill is finished, simply buy another refill and replace it, no need to throw away your bracelet to buy another one. No more worrying about insects or mosquitoes, your bracelet is made active to repel all mosquitoes up to 2 weeks for each refill or pellets OUTDOOR ACTIVE PROTECTION - Protect you and love one against mosquito bites without having to spray yourself. Active bracelet anytime you are outdoors. Perfect for camping, fishing, hiking, and all outdoor activities were insect repellent is required. EASY WEARABLE AND SAFE  Wearable on wrist, ankle, back pack and baby carriage. It is Very convenient to wear for outdoor or indoor. Very effective in tropical and temperate areas, the bracelet is adjustable to fit children, and adults of all ages. Safe for all family members, light weight, waterproof and rechargeable LIFETIME GUARANTEE - Full refund and free return is available if you arent happy with your mosquito Repellent bracelet. Simply contact Amazon and we will issue you a full refund once the item is returned back, no questions asked.