1. Automatically turns on the running water when a pet approaches and switches to standby mode when the pet leaves the sensing range of 0.2–3 meters; includes filtration function. 2. Features: quiet operation, energy efficient, extends the lifespan of filter elements and water pump, and encourages pets to drink more water. 3.感应 range: approximately 0.2–3 meters. Compatible with any water dispenser that has a USB interface. 4. USB connection: Equipped with a USB cable for easy setup. Cable length is 1.6 meters. Instructions: 1. Connect the pump’s USB plug into the sensor’s USB output port, then plug the sensor’s USB plug into the power adapter. 2. Mount the sensor securely in one location. Install on a clean, non-reflective, flat surface. When no pet is detected, the unit remains in standby but automatically cycles four times per day for six hours total to maintain water freshness. Color: White Material: Plastic Package Contents: 1 x Smart Motion Sensor Note: Other items not included. Due to lighting and display differences, the actual color may vary slightly from the image. Measurement tolerance: ±1–3 cm.