1. It worked by ultrasonic waves to repel mouse,mosquito,dust mite,cockroach and other similar common pests,it's hurtless to home electrical appliances,human and pets.
2. Can be widely used in Home, warehouse,hotels,stores,office, etc.
3. plug into socket of 110V-240VAC wall outlet
4. A green led night light, with switch ON/OFF to save energy.
5.With sweeping frequency ,make insects won’t produce "immunity" and "adaptability.