Solar Powered PIR Motion Sensor Ultrasonic Pest Repeller Bird Dog Cat Fox Hunter Chaser Functions: It is an ultrasonic pest repellent technology that is humane, environmentally friendly, pollution free and has high efficiency. Powered by solar panel, no clutter, low energy consumption and eco-friendly. Thanks to the PIR motion sensor, it activates the system to emit an ultrasonic frequency when detecting motion within a certain range. The adjustable ultrasonic frequency can scare away various animals, such as birds, dogs, foxes, mice, squirrels, etc. Weather-resistant, designed for outdoor use, effectively protects crops or your garden from damage. Specification: Material: Plastic Color: dark blue Battery: 3 pcs AA 800 mAh battery (included) Solar panel: 6V 50mA Working Current: <180mA Standby current: <2mA Motion sensor activation: Arc <15 feet 100 degrees. Ultrasonic frequency: 15kHz-25kHz (adjustable) Effective Range: 5,000 square feet Size: approx. 13 x 16 x 9 cm / 5.12 x 6.30 x 3.54 inches Weight: approx. 370g Package includes: 1 x ultrasonic repeller Usage method: 1. Mount the device with screws in a place with enough direct sunlight. For better performance, it is recommended that you place the device at least 3 feet above the ground for optimal coverage. Make sure the speaker is facing the area you want to cover. 2. Turn the frequency dial to the desired animal you want to fight off. Different frequencies will scare different animals. Some frequencies will scare off more than one animal. 3. Turn on the device by pressing the ON / OFF button once. When pressed, the LED will turn red and activate the system if it senses intruder movement. Battery charging: There is a DC jack on the back of the switch. Pull out the socket cover, insert the power cord plug into the DC jack.