Description:1 Working voltage: DC 12-15V (AC 9-12V)2 Standby current 10MA3 Working current 40MA4 Size: 54mm X 27mm X 19mm5 Weight: 24g6 Maximum load: 10A/250VAC, 10A/125VAC, 10A/30VDC, 10A/28VDC, 10A/12VDCNote: The package does not contain probes (wires). There is no need to use special probes, and the probes can be made using household wires. For safety reasons, please use a well-isolated AC/DC power supplyApplication: automatic water supply system for household water towers, water change system for aquariums and fish tanks, automatic control of conductive liquidsAutomatic feeding system for poultry and livestock, automatic water supply system for farms, and other occasions that require automatic water supply and water change.Solenoid valve water pump motor automatic controlPackage Contents: 1 x DC 12V AC 9V liquid level controller sensor module