8pcs Pest Insect Control Indoor Ultrasonic Repeller Anti Mosquito Repellent Mouse Control Rejector Cockroach Rat Bug Rejection

FEATURES
Non-toxic, environment-friendly.
22-65KHz of repelling.
Ultrasonic frequency.
600-1100 Square Feet of protection.
Frequency ranges:22-65KHz.
Power source:AC90V-250V 50-60Hz.
Power:5-6W.
Materials: ABS materials.
package: 4pcs a lot