1. CE RoHS certificate 2. Ultrasonic and electromagnetic 3. Sensor night light 4. 10 years OEM ... does not use any chemical substances, can be widely used in home, apartment, warehouse, hotels, supermarket, garages, office, ... coverage, it is recommened to use a device in every room or enclosed area.7. When you start ... ' : 39480PCS 40FT' : 80340PCS 40HQ:94200PCS Indoor ultrasonic 3 in 1 spider repeller