Brand SMARTSENSOR Model AR114 Color White Material Plastic Quantity 1 Type Cuboid Power Supply 4 x AAA (not included) Power Plug No Certification CE Other Great for outdoor camping travel fishing and other activities; Effective range: 10 square meter / diameter is about 2m; Red LED indicator light on means in working status LED night lamp function: Steady on (Push to "Torch") / Flash (Push to "Flash") / Off (Push to "Off"); Issued mimic male mosquitoes ultrasonic so as to achieve the purpose of driving the female mosquito bite; And also to imitate the sound of dragonfly wings driving all kinds of mosquitoes. Packing List 1 x Mosquito repellent device