Features: 1.Mosquito Repeller - The pest repellent transmitted through the air of special elements to stimulate the mosquito's sensory system and nervous system. Then can effective in pest control and keep pest away from you. 2.Human and Pet Safe - It is safe for pregnant woman and baby. No toxic, gives you a 100% Safety and Eco-friendly home. 3.Easy to Use - Just plug the electronic pest repeller into the sockets, no battery required and cost little electricity. No need to clean up dead pests. 4.Goodbye for Pest - keeps most kinds of insects away from your house, like mice, mosquitoes, rats, and so on. 5.Application - Great for indoor use, such as home, restaurants, hotels, hospitals, office buildings, warehouses, etc. Specification: Input voltage Voltage: AC95-250V Input frequency Frequency: 50/60Hz Power: 0.3W Indicator: blue LED Output audio signal Frequency: 18.8-70kHz Product size: diameter 67mm×28.5mm Base materials: ABS Effect range: ≤30mm2 Working temperature:  -15~60degC Storage temperature:  -10~60degC Working/Storage humidity : ≤85%RH Notice: Due to the different monitor and light effect, the actual color maybe a slight different from the picture color. Please allow 5-30mm differs due to manual measurement. Package List: 1 x Electronic Pest Repeller