Features:- 100% Brand New and High Quality-This product is based on the actual needs of the family factories and pumping and the detection of the pool (water tower) to control the waterlevel to achieve control.-With a small, simple wiring, low power consumption, high switching capacity, interference is strong, functional stability characteristics.-Automatically open when you can stably pool (water tower) water pump (solenoid) pumping,automatically stops the pump (solenoid) when full of water.- Local flooding can also be used for automatic rain drainage, such as garages, basements, etcBoard Size: 7cm x 4cm(L*W)Material: Electronic ComponentsThe product does not need to buy another probe, using household wiring can replace probeNote: -The probe is a wire mesh shell with a plastic buckle up the thread, with household wires can be directly induced, strip off the head of wireabout 2cm, making it bare to direct induction-Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.Another: The product does not include line (probe)- Lighting, display and other factors may cause COLOR SHADING, please comprehensive pictures and text descriptions to determine!Package Includes:1 x Liquid Level Controller Sensor.