Description: Solar Charging Ultrasonic Animal Repellent PIR Sensor Animal Frighter Bird Snake Wild Boar Frighter 110 Detection Angle 8M Effective Distance. Feature: Solar Charging: Slef charge, can be use for a long time. Effective Detection: 110 horizontal 8m effective distance. Waterproof: Fit for outdor,IPX4 material is more durable. Safe and Harmless: this product is only driving animals without warranty of any chemicals, it is only issued to 25kHz ultrasonic frequency drove them away. there will not be any harm to the human body. Strongly Ultrasonic Signal Frightened Animals: In the area of ultrasonic sound unpleasant animals, frightened animal. When the animals into the range of the sound is activated. Specification: Power: Solar panels and 3 AA batteries; Effective Distance: maximum 8m; Detection angle: 110 ; Waterproof Rating: IPX4; Certificate: CE ROHS; Package Included: 1 X Repellent