Feature 11. Explosive flash function: The product has a white light flashing function to instantly disturb animals. At the same time, the ultrasonic repeller will emit different frequency sound waves of 15-65KHZ for different animals. 22. Solar charging: The product has a solar charging display function. The charging voltage of the solar panel is 5.5V and the current is 20-25Ma. If the solar energy is converted in summer, it can reach more than 30Ma. 33. Back-up power supply: built-in nickel-metal hydride battery 4*AA battery, and the product is also equipped with a Mc-USB charging port (5V 1A), which can be matched with all chargers on the market, and can be used for fast charging when solar energy cannot be supplemented in time. 44. Five-speed adjustment: The product has a 5-speed function, each of which is specifically developed for different animals, and the product also adds a sensing distance adjustment function, the maximum distance can reach 13 meters. 55. Waterproof design: Use it safely outdoors without worrying about wind, rain and exposure.Material: Anti-ultraviolet ABSColor: grass greenPower supply: USB charging or solaPackage List1*Ultrasonic animal rejection device3*Spiked shaft1*USB charging cable1*User ManualNoteFor humans, part of the frequency range is audible (16-20kHz). no need to worry. Please place the pet dispenser as far as possible from the living area. Do not install this machine where children and babies are playing.