GoXteam 23 ultrasonic pest Repeller, Blue 2018 upgraded dual chipwith double 2018 upgraded chips emitting ultrasonic waves, the ultrasonic pest repelled can irritates nervous system of insects and rats and threatens them to flee away from your house Forever. The pest control repellent safeguards your family and solves your all pest troubles without any rebound effects Safe & friendly for your family's ultrasonic waves launched by the pest repelled only have influence on pests and rodents. Safe for families, pregnant women, children and pets. The mouse repellent features no poisons, no odor, no chemicals, and no radiation. 100% safety guarantee for your family Effective & unbeliveable coverage areaeach mouse repelled can cover an area up to 1250 sq. Ft., suitable for bedroom, living room, kitchen, bathroom, office, restaurant, garage, Warehouse, basement, etc in all seasons. To best control pests, youd better install a pest repelled in each room 4 or 6 units can effectively cover every corner of your home Easy to use & two in oneportable plug-and-play product. Just plug a insect repellent in the outlet(90-240v) vertically and then let it DO the rest. Press the button on one side of the mosquito repellent to turn on or off the Blue soft night light when the pest repelled repel the pests for you. No noise can influence your sleep and your daily life Responsible after-sales servicewe provide a 60-day warranty from the date of purchase and ensure exquisite quality of our pest repellent. Please note that normally the mouse repelled takes 3 to 4 weeks to get obvious results. If you are not satisfied with the result after using our rat repelled for 3-4 weeks, we will give you a full refund or arrange a perfect replacement for mouse repellent, mosquito repellent, bug repellent and ant repellent