Ohuhu Y12-80100-02 Pest Repeller 4-Pack, White Dual Ultrasonic & Electromagnetic: Say goodbye to mice, spiders, roaches ants, snakes, mosquitoes, and more! This pest repeller uses the most advanced technology available to make sure that creepy-crawlies stay outside where they belong. Its powerful, effective, and will last for years to come Unbeatable Range: Live in a big house? Clear out each and every corner! The pest repeller will effectively eradicate everything within 1290 square feet your entire home will be free of critters in no time One Button Wonder: Weve eliminated the bells and whistles for a sophisticated, sleek design. One button it all you need to operate the pest repeller! Youll be able to turn it on and off with a simple press of the sensor Ready to Go, Out of the Box: Put away your toolbox no screws, nuts, or bolts required. Simply plug it in, turn it on, and sit back and let the device do its thing. It really is that easy Safe and Humane: Give yourself some peace of mind and invest in a pest repeller thats kind to the planet. This device is humane and wont kill pests its free of poison, chemicals, and traps. Its 100% safe for you, your kids, and your pets!