Pest Control - The Most Powerful 6 Different Operating Modes uHome Pest Repellent - Pest Repeller for All Kind of Insects and Rodents - Ultrasonic Pest Control with Orange LED Night Light_Set of 2 6 DIFFERENT OPERATING MODES DESIGNED FOR DIFFERENT USAGE SCENARIOS, homes, storages, stores e.g. ALSO the 6 DIFFERENT OPERATING MODES ARE THE BEST SOLUTION TO PREVENT PEST FROM ADAPTING TO THE SOUNDS. POWERFUL FUNCTION --- This device can produce electromagnetic wave, ultrasonic wave and simulation wave at the same time. It is the most intelligent electronic mouse/insect repeller with high integrity and strong comprehensiveness in the world. MODE 5 & 6 MUST BE USED WITH CAUTION --- Mode 1,2,3,4 will be slight squeaking, mode 5 and 6 are very powerful and human can hear it, so it only can use where is no people. CREATES A PEST BARRIER --- uHome Pest Repeller emits ultra-powerful deep penetrating ultrasonic waves which prevents insects and pests from entering your home. It's effective for an area up to 2,700 Sq. Ft. However ultrasonic sound cannot go around corners or penetrate hard surfaces like furniture, cabinets, walls, or ceilings. You will need one unit for each room where you have a rodent or insect problem. / Features also a soothing orange LED night light with on/off switch. 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.