uHome Pest Control, Electronic Pest Repeller, Professional Pest Repellent with 3 Emitters from 3 Sides, Perfect for Rodents and Insects with Anion Air Purifier and Sensor Night Light 3 ULTRASONIC EMITTERS REPEL FROM FRONT & Both SIDES: The ultrasonic wave angle is wider than 180 degrees, being efficient on front and both sides, the 2 side emitters also has strong effect inside your walls, your perfect home wall shield that expel all pests from inside your walls THREE DIFFERENT MODES --- Simply plug the Anion Ultrasonic Pest Repeller into a wall outlet, and choose the three different modes according to actual needs. Mode 1 (Electricity default): Electromagnetic waves + Ultrasonic waves + Anion; (Red LED + Yellow LED + Green LED). Mode 2: Ultrasonic waves + Anion (Yellow LED + Green LED); Mode 3: Electromagnetic waves + Anion (Red LED + Green LED); And long press on the switch button all the functions will be off with no LED lights LATEST ANION FUNCTION & LIGHT SENSOR NIGHT LIGHT ---Anion Air Purifier improves the air quality by absorbing odor-causing particulates from the air, remove dust, pollen, smoke and bad odors. It also has a comfortable light sensor night light, auto on/off according to light intensity MOST POWERFUL TECHNOLOGY & FUNCTION --- Equipped with Electromagnetic waves + Ultrasonic waves + Anion; It emits ultra-powerful deep penetrating electromagnetic waves which prevents them from entering your home. It causes in-wall wiring to send electronic pulse signals, thus acting as a shield and effectively preventing these annoying insects from passing through your home's walls. It also disturbs nests; causing spiders and bed bugs to leave your walls and home LIFETIME GUARANTEE --- This product is a Lifetime warranty because you can get rid of those pest without using any chemicals. Typical results can take 2-4 weeks depending on the severity of the pests infestation