Electronic Pest Repeller Pest such as mice, rats, roaches, martens, spiders, insects will not be used to the undulatory signals emitted by DUAL POWER Ultrasonic Electronic Pest Repeller. Thanks to the battery operation feature of the Electronic Pest Repeller, the device can be installed at any places without mains outlet but need pest control. Featues Safe & effective 9V battery operation No chemicals or poisons Built-in automatic test LED Can be installed at any places Effective range up to 2000 sq. ft. unobstructed 2 x 9V alkaline battery can last up to 7 months
