Ultrasonic Mouse Insect Repeller Home Mosquito Repellent Light 1. Voltage: 110-220V 2. Output Frequency: 20-45kHz 3. Power: 6-8W 4. Application: repels mosquitoes, rats, cockroaches, flies, ants, bats, etc. 5. Weight: about 45g 6. Dimensions: about 10 x 8 x 5cm Features: 1. 360-degree omnidirectional transmission frequency, eliminating all pests 2. Ultrasonic and electromagnetic waves damage the rat's nervous system, rendering it incapable of reproduction and harming animals 3. Dual-mode frequency modulation repels not only rats but also mosquitoes, flies, cockroaches, and other pests, with different frequencies available to suit household needs 4. Physical ultrasonic technology kills mosquitoes, non-toxic and radiation-free 5. Noise reduction technology, quiet and sleep-friendly 6. Wide coverage, effective up to 100 square meters 7. Easily adaptable to various occasions