1、Excellent PCB Material: This water level controller module is made of excellent PCB material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. 2、Easy To Operate: This liquid level detection sensor module is fully automatic, which is easy to operate, easy to install, and has a long service life. 3、Low Power Consumption: This water level detection sensor module has low power consumption, large switching capacity, strong anti interference ability, and can be used for a long time. 4、Compact And Portable: This automatic liquid control switch module is small in size and light in weight, which makes it very easy to install and replace. 5、Wide Application:This water level controller has a wide range of applications and can be used in water conservancy projects, water towers, buckets, water tanks and so on. Item Type: Full Automatic Water Level Controller Module Material: PCB 1 x Water Level Controller Module