Use RangeThis product is applicable to control pump operation, liquid level, and can also be installed on the submersible pump to control and protect the motor. Good sealing Sealed with polypropylene that ensures great saldabilit. It is widely used in swimming pool, barrels, tanks and other water, oil, acid and alkali containers in homes, factories and mines. Scientific PrinciplesThe float switch is designed according to the principle of gravity and buoyancy, with a simple and reasonable structure. Easy to InstallIs automatically adjustable, easy to operate, safe, reliable, green and environmentally friendly. How to Use750W or less motor can directly use the float switch; if the motor exceeds 750W, it is recommended to use an AC contactor. Product Description Features: This product is applicable to the operation of the control pump, at the level of the liquid and can also be installed on the submersible pump to control and protect the motor. Sealed with polypropylene which guarantees high sealability. The float switch is designed according to the principle of gravity and buoyancy, with a simple and reasonable structure. It is automatically adjustable, easy to operate, easy to install, safe, reliable, more green and environmentally friendly. It is widely used in swimming pools, barrels, tanks and other water, oil, acid and alkali containers in households, factories and mining. 750W or less motor can use the float switch directly, if the motor is over 750W, it is suggested to use a co AC driver. Technical specifications: Material: Polypropylene Voltage: 250 V Current: 15 (8) A Operating Temperature: 0~65 . Switch Size: 10.5 x 8 x 4.5cm / 4.13 x 3.15 x 1.77in Cable Length: 5M / 16.4ft Package includes: 1 x Float Switch 1 x Cable Reel