Description: Automatically turn on running water when pets approach, leave the sensing range 2-3 meters away, filter for 30 seconds and then automatically stand by Advantages: silent, energy-saving, prolong the service life of the filter element and the water pump, and can better attract pets to drink more water Sensing range: about 0.2-3m/7.87-118.11inch, all water dispensers with USB interface can be used Range of use: as long as it is a water dispenser with a USB interface, it can be used Input cable length 30cm/11.81inch; output cable length 1m/39.37inch Specification: Material: ABS Size(LxW×H): Approx. 45x45x30mm/1.77x1.77x1.18inch Package Includes: 1 Piece Smart sensor for drinking fountain Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!