Key Features:- It is applicable to repel cockroach， mosquito， insect， pest， mice etc. - The repelling ultrasonic frequency is 22 - 65KHz and the effective range is 80 - 120sqm- No-toxic and environment-friendly- Safe and odorless- The power source - AC 90V - 250V 50 - 60Hz， and the power is 5 - 6W- With ABS shell， durable and shock resistant Product weight: 0.080 kg Package weight: 0.124 kg Product Size ( L x W x H ): 8.5 x 5.6 x 3 cm / 3.34 x 2.20 x 1.18 inches Package Size ( L x W x H ): 18 x 15 x 6 cm / 7.07 x 5.90 x 2.36 inches Package Contents: 1 x Ultrasonic Mouse Bug Pest Repeller Mosquito Insect Cockroach Electronic Rejector