Electric smart motion sensor for automatic hidden cat app description: Function - With the detection sensor control module detecting or moving around the object, the water dispenser works automatically. Energy saving. High distance - settled about 3 meters. The fountain will stop working when the animal is accessible within 30 seconds. Devices in installations - using suction cups or stickers that can be adsorbed to the outer and outer surfaces. USB Socket - USB socket wiring method for upgrade. Advantages - Quiet, power supplies, extendable filter element and pump, and can better attract home appliances to more water. Specification : Material: ABS Size: Approx. 59x34mm/2.32x1.34in The package includes: 1 piece intelligent motion sensor for automatic application for cat