Features 1、Water level sensor controller, supports automatic water pumping, filling and draining. 2、According to water level of the detection pool (water tower), the high‑current relay is controlled to realize the control. 3、Small size, low power consumption, large switch capacity, strong anti‑interference, high functional stability. 4、Stable realization of water pump when the pool (water tower) is short of water, and automatically stops when it is full. 5、Using high‑quality materials, excellent performance, easy wiring, and long service life. Specification Item Type: Water Level Controller Module Material: PCB Board Eletronic Component Charging Power: 10A Size: Approx. 60x50x22mm / 2.4x2.0x0.9in Package List 1 x Water Level Controller Module