CONTROL AND PROTECT THE MOTOR. This Water Level Controller Floating Switch is designed to operate the pump at liquid level and can also be installed on a submersible pump to control and protect the motorAPPROPRIATE STRUCTURE The float switch is based on the principle of gravity and buoyancy, is easy to assemble and reasonableSCOPE OF APPLICATION This Float Switch with 10m Cable can be widely used in pools, barrels, tanks and other containers of water, oil, acid and alkali in families, factories and minesEASY TO USEThis Liquid Water Level Control Sensor Floating Switch is auto adjustable, easy to use, easy to install, safe, reliable, avirulent and environmentally friendlyGOOD SEAL This float switch is made of polypropylene seal, high reliability and good sealing