Features: This ultrasonic pest repeller controls the electronic rodent repeller, using powerful ultrasonic waves to repel insects, mice, cockroaches, rodents, spiders, ants and mice, while maintaining complete safety for humans and pets. It works by continuously emitting powerful ultrasonic waves, thereby repelling pests, while making humans and pets completely inaudible. Non-toxic and harmless to humans and pets, it is a substitute for toxic chemicals and dangerous traps. The maximum protection area of ​​each unit is 80-120 square meters. Low power consumption, suitable for long-term operation. Does not interfere with the operation of radio, television or other electronic devices. Specification: color: White Material: ABS Plug type: US/EU/AU/UK plug Power supply: AC 90V-240V, 50-60Hz Power: 3W Ultrasonic frequency: 22-65KHz Effective range: 80-120 square meters Working temperature: 0-40°C Product size: (1pc) 9.8*5.6*6.6cm Product weight (1pc): 85g Packing list: 1/3/6PCS Ultrasonic Dewormer Note: 1. The machine should be installed at a distance of 80-120 cm from the ground. And perpendicular to the floor and plug into the power socket. 2. The installation position should be avoided on the back of the curtain, Refrigerators and other furniture that will affect the frequency. 3. Generally, the mouse and pests will increase in the first few days of use. Because they are moving away from their residence after being hit by an ultrasound. 4. Do not use strong dipping agent, water or damp cloth to clean the machine. Use a soft dry cloth and wash with a neutral lotion. 5. In order to improve the effect, you should use several machines in the warehouse Or goods pile up, several rooms.