Check the listing for details. 5PCS Stainless Steel 150mm Float Switch Tank Liquid Water Level Sensor 0-220V. Condition: New. Listed at 28.88 USD. *US Seller and fast shipping *Float switch can not directly control solenoid valves or power relays, exchanges and contacts and the like. To add a small relay (eg HH54P) transition. Features 100% Brand new,never used Item's color might be different from the picture because of the aberration. Tired of guessing how much water or fuel is left in your tank you need this brand new liquid float switch,which is made of stainless steel. This small size,low-cost switch can be used in most liquid environments.It can also be easily converted from normally open to normally close by inverting the float. Specifications: This is a stainless steel float swith, contains no mercury. This float switch is a device used to sense the level of liquid within a tank, the switch may activate a pump,an indicator, an alarm, or other device. This float switch is a simple structure, easy installation liquid level controller. It does not have a complex circuit, will not be disturbed, as long as the material selection,liquid,pressure or temperture can be used in any environment. Light weight and simple working principle, high reliability. The versatility of this vertically monted sensor means that it can be installed either at the top or base of your tank, depending on whether you wish to detect the water's rise or fall. The float level switch is widely used in electronic, electrical, chemical, water treatment, drainage and other walks of life level control and alarm. Material: Stainless steel. Product name: stainless steel single float switchM10*1.5 Specifications: High Temperature L=150mm Using voltage: 0-220Vadc Switching current: 0.5A Working temperature: -40-125°C Medium specific gravity: >0.7g/cm3 Working pressure: