Description:A compact， horizontally mounted float switch which can be configured as a normally-open or normally-closed switch simply by rotating it through 180 degrees in its push fit mounting. When the water level reaches the float， the float moves and an internal magnet activates a sealed reed relay in the device. The sensor is supplied pre-wired with flying output leadsFeatures:100% Brand new and high quality A float switch is a device used to sense the level of liquid within a tank， it may actuate a pump， an indicator， an alarm， or other device. Use them with hydroponics， saltwater tank， freshwater tank， gardening， aquariums for power head control， pet bowls， fish tanks， filtration， heating， or what ever your project may be Material: PP Contract rating (Max): 10W/SPSTSwitching voltage (Max): 100VAC Switching current (Max): 0.5A Breakdown voltage (Max): 220VDC Carry current (Max): 1A Contract resistance (Max): 100 OHM Temperature rating: -10 ~ +60��C Color: BlackMaterial: PlasticSize: Approx. 9 x 1.7cm (H*D)Cable Length: Approx. 31cmNote: Due to the difference between different monitors， the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Thank you for your understanding!