9V-12V AC/DC Liquid Level Controller Water Level Detection Sensor Drainage Pump Water Control Module

Features:
Designed to control the relay and then control to pump water or drain away water.
Mini size, easy wire connection.
Powered by 9V-12V AC/DC.
Low power consumption, strong anti-interference performance.
Great for pool or water tower to control the water level.
Notice:
The product is not equipped with probe, don't need to buy probe neither. Just strip the electric wire 2cm to instead of probe, make it become bare wire then can induce directly.