This is an ultrasonic technology adopted by pest repellers which is humane, eco-friendly, pollution-free and high efficient Powered by solar panel, no messy power cord, low power consumption and eco-friendly With PIR motion detector, it will activate the system to emit ultrasonic frequency by detecting motion in certain range Adjustable ultrasonic frequency can repel motion. different animal, such as birds, dogs, foxes, mice, squirrels and etc. Weather protection, designed for outdoor use, effectively protect your crops or garden from destruction Material: Plastic Color: Dark Cyan Battery: 3 x 800mAh rechargeable AA batteries (included)< /p> Size: 13 x 16 x 9 cm / 5.12 x 6.30 x 3.54 inch Package Included: 1 x Ultrasonic Pest Repeller Weight : 370g