Functions: It is a pest repeller using ultrasonic technology which is humane, environmentally friendly, pollution free and high efficiency. Solar panel powered, no messy power cord, low power 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 ultrasound frequency can scare away various animals such as birds, dogs, foxes, mice, squirrels, etc. Weather-resistant, designed for outdoor use, it effectively protects your crops or garden from damage. Specification: Material: plastic Color: dark cyan Battery: 3 pcs. AA 800 mAh battery (included) Solar panel: 6V 50mA working current: Usage: 1. Mount the device with the screws in a place with sufficient 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. Set the frequency on the desired animal you want to scare away. Different frequencies scare different animals. Some frequencies repel more than one animal. 3. Turn on the machine by pressing the ON button once. / OFF When pressed, the LED will turn red and activate the system if an intruder's movement is detected. Battery charging: There is a DC jack on the back of the switch. Remove the jack cover, insert the power cord plug into the DC jack. Construction of the repeller: solar panel A motion sensor Switch with adjustable ultrasonic frequency Ultrasonic loudspeaker Hanging handles DC jack "On" / "Off" button