1. Automatically turn on the running water when the pet approaches, leave the sensing range 2-3 meters , filter for , and then automatically stand by;<br> 2. Advantages: silent, energy saving, prolong the service life of the filter elements and the water pump, and can better attract pets to drink<br> 3. Induction range: about 0.2-3 meters. Use range: any water dispenser with USB interface can be used.<br> 4.USB socket: USB jack wiring for easy connection. The total cable length is 1.6m.<br> Instructions:<br> 1. Insert the USB plug of the fountain pump into the USB input port of the sensor.<br> Then insert the USB plug of the sensor into the adapter.<br> 2. Suck the sensor in one place.(shiny or glossy smooth surface)<br> If there are no pets nearby, it will remain stationary, but it will automatically cycle and filter four times a day, every saix hours, to clean water<br> Colour:White<br> Material:plastic<br> Package Contents:<br> 1 x Smart Motion Sensor<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.