- Reduces pump operation frequency, extending pump life while minimizing constant water noise and lowering energy use and water evaporation. - Designed for internal connection only with the cat drinking fountain and should not touch water. - Detection range 0.2 to 2 meters. Compatible with USB powered drinking fountains made of SAFE and DURABLE ABS material. Flower-shaped appearance with a USB interface that can be easily hidden, installed, and used. - Auto on when your cat approaches and auto off if there is no movement for 30 seconds, providing convenient hands-free operation. - Material: ABS, safe and durable. Function: energy saving, noise reduction, automatic activation and shutdown. - Use scenarios: - Single or multi-cat homes that want quiet operation and longer pump life, with automatic on/off based on proximity. - Energy-conscious households seeking to reduce power consumption and water evaporation in USB-powered fountains. - Desks, kitchens, or bedrooms where a discreet, flower-shaped design and hidden USB interface integrate with decor while ensuring easy access to fresh water for pets.