Feature:1. Automatically on the running water when the pet is close, leave the sensing area 2-3 meters away, filter for 30 seconds, and then automatically stand by2. Advantages: mute, energy-saving, extend the life of the filter element and water pump, can better attract pets to drink more water3. Induction range: about 0.2-2 meters range: as long as the water dispenser with USB interface can be used, the input line is 30CM long and the output line is 1.8 meters longInstructions for use:1. Insert the USB plug of the fountain pump into the USB input port of the sensor.Then plug the sensor's USB connector into the adapter.2. keep the sensor in one place. (glossy or smooth surface)If there are no pets around, it will still remain, but it will automatically cycle through the filter four times a day, every six hours, to ensure clean water.Specification:Color whiteSize: 45x45x30mm/1.77x1.77x1.18inMaterial: ABSUse USB plug-inWorking voltage: 5VOutput current: 2ASensing angle: 180 degrees straight aheadSensing distance: about 0.1-3 metersScope of application: all water dispensers with a USB interface can be used.Packing list:1 * sensor + 1 * suction cup + 1 * double-sided tape + 1 * instruction + zipper bagNot included water dispenserWarm Notes:About the motion sensor, which can be adsorbed on the glossy and smooth surface only, the matte wall or floor does not meet the conditions. (it can be adsorbed to the fountain body of WF060)