Features:Strong compatibility, can be used in conjunction with a variety of liquid level sensor Strong protection, with waterproof pump idling protection and water level overflow detection output.Relay dry node output, can be applied to a variety of load controlControl of diversification, manual or automatic mode control of water pumpThe installation is simple and convenient, the screw can be positioned and installed, and the electric box track can also be installed.Specification:Model: LC25A01Weight: 28g/1ozStandby current 10MAWorking current 40MAMaximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDCSize: 54*27*19mm/2.1*1.1*0.7inchApplication:Home water tower automatic water supply system.Aquarium fish tank water changer system.Conductive liquid automatic control.Automatic feeding system for poultry and livestock.Farm automatic water supply system.And other occasions that require automatic water supply and water exchange.Solenoid valve water pump motor automatic control.Interface description:HIGH : Upper limit probeOUT : Output probeLOW : Lower limit probeIN+ : Power terminal 1 (regardless of positive and negative)IN- : Power terminal 2 (regardless of positive and negative)NC: Relay normally closed contactCOM: Relay common contactNO: Relay normally open contactPackage List:1 x Level Controller ModuleNote: 1. Package does not contain probe (wire).No need to use a dedicated probe, the probe can be made using household wires2. For safety, use an AC/DC power supply with good isolation. .