Bullet Points: 1. Explosive Flash Function: The product has a white light flashing function to instantly disturb animals. At the same time, the ultrasonic repeller will emit sound waves at different frequencies of 15-65 Khz for different animals. 2. 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 solar energy is converted in summer, it can reach more than 30Ma. 3. Emergency Power Supply: Built-in 4 * AA nickel-metal hydride battery, and the product is also equipped with an MC-USB charging port (5V 1A), which can be matched with any charger on the market, and can be used for fast charging when solar energy cannot be supplemented in time. 4. 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 detection distance adjustment function, the maximum distance can reach 13 meters. 5. Waterproof Design: Use it safely outdoors without worrying about wind, rain and exposure. Description: Material: Anti-Ultraviolet ABS Color: Grass Green Power Supply: USB or Solar Charging Package Included: 1 * Ultrasonic Animal Repeller Device 3 * Pointed Shaft 1 * USB Charging Cable 1 * User Manual Note: For humans, part of the frequency range is audible (16-20 Khz). No need to worry. Place the pet feeder as far away from the living room as possible. Do not install this machine where children and infants play.