Feature: 1. [MAIN PURPOSE] This detection module is mainly used for pumping and detecting water in the pool to control the water level. 2. [COMPACT SIZE] The liquid level controller sensor is small and compact, with simple wiring and low power consumption. 3. [HIGH PERFORMANCE] The sensor module has high switching capacity, has strong interference resistance and stable function. 4. [AUTOMATIC CONTROL] Can stabilize the water pump when it is automatically turned on, and automatically stops when it is full of water. 5. [MULTIPLE USAGES] The water level sensor can be used for automatic drainage in pond tank, garage, and basement flooded area, etc. Specification: Item Type: Liquid Level Sensor Module Material: PCB Uses: Can be used for automatic drainage of pond water tanks, garages, basements, etc. Voltage: DC 12V. Package List: 1 x Liquid Level Sensor Module1 x Wire Row