Specifications Rated voltage: 110-240 V Rated power: 5 W Rated frequency: 5Hz Features Easy to use, just plug in the connection and press the control button. The pest repellent will work automatically. Repelente has built-in intelligent pest control chips that provide an intelligent frequency between 20 and 158 kHz, to keep pests, mice and insects away from your place. Smart screen, you can clearly see its working mode. The outer part of the ultrasonic pest repeller is made of flame retardant materials, which are environmentally friendly and safe.