1、Main Application: Our liquid level controller sensor module is mainly used to control the start and stop of the water pump automatically according to the water level. 2、PCB Board: Made of PCB board, our liquid level controller has low power consumption, and a long life span. 3、Stable Performance: With a simple wiring, low power consumption, high switching capacity, our liquid level controller performs stably. 4、Easy to Install: Comes with a light weight and a compact size, the installation of the controller is very convenient to complete within minutes. 5、Wide Application: Our liquid level controller sensor module can be widely used in pond tanks, garages, basements and other places where automatic drainage is required. Item Type: Liquid Level Controller Sensor Module Material: PCB Load Voltage: AC 220V DC 5-30V Load Current: 10A (Install a Contactor, Subject to the Current of the Contactor) 2 x Liquid Level Controller Sensor Module