... .AC220V/50HZ,110V/60HZ 2.Ultrasonic:25K to 65K Hz 3.Repell rat,mice,fly,mosquito electronic Ultrasonic pest repeller 1.Power:AC220V ... to 65K Hz 3.Repell rat,mice,fly,mosquito electronic Ultrasonic pest repeller4 in 1 Full result Pest Repeller Model: EPR- ... to 65K Hz* Ionic generated: 4000000 ionic/cm² * Pulse interval: Ultrasonic wave: Transmit fix frequency 25K HZ for 1 minute firstly, then ...