Features 1、PORTABLE AND EFFECTIVE: The portable electronic insect repeller is based on physical principles and uses electronic simulation technology to emit sound waves that can stimulate the brains of mosquitoes to achieve the effect of repelling mosquitoes 2、REPELLING OBJECTS: Mainly repelling mosquitoes, but also has the same effect on cockroaches, flies, mice and other pests 3、SAFE AND SECURE: The product has no electromagnetic wave radiation, no noise pollution, safe and environmental protection, and can be used by babies and pregnant women at home 4、TECHNICAL PARAMETERS: Ultrasonic frequency from 10‑135KHZ, effective range is 10‑80m², functional level has 3 levels, 8 band ultrasonic infinite loop scanning 5、SCRATCH RESISTANT ABS: Using excellent ABS material, possess impact resistance, scratch resistance, environmentally friendly Specification Item Type: Ultrasonic Pest Repeller Material: ABS Ultrasonic Frequency: 10-135KHZ Effective Range: 10-80m² Function Gear: 3 Levels (1 level red and blue breathing lights, 2 level pink and purple breathing lights, 3 level red and blue warning lights) Product Features: 8 Band ultrasonic infinite loop scanning Package List 1 x Ultrasonic Pest Repeller 1 x User Manual