Description: Smart PIR Motion Sensor: Combined with the infrared sensor module, detects cat approaching or moving, then the water dispenser will operate automatically. The fountain will automatically stand by after animal left the detection range 2-3 meters for 30s. Advantages: Silent, energy saving, with light, prolongs the service life of the filter element and the water pump, and can better attract pets to water. Sensing Range: About 0.2m-2m/7.87inch-78.74inch.Input cable length 30cm/11.81inch; output cable length 1.8m/70.87inch. Range of Use: As it is a water dispenser with a USB interface, it can be used. Easy to Install: Use with suction cups or stickers, which can be adsorbed to any glossy and smooth surface. Specification: Material: ABS Size(LxW×H): Approx. 45mmx45mmx30mm/1.77inchx1.77inchx1.18inch Input Cable Length: 30cm/11.81inch Output Cable Length: 1.8m/70.87inch Package Includes: 1 Intelligent PIR Motion Sensor For Automatic Cat Water 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!