Features:Brand new and high quality. Can be used to sense the level of liquid in a tank. Can activate a pump, an indicator, an alarm or other device. Use it 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 Contains no mercury. Cable Length: 30.5(cm). Maximum Load: 50 W. Max Switching Voltage: 250V. Minimum Voltage: 100V DC.Maximum Switching Current: 0.5 A. Max Load Current: 1.0 A. Temp Rating: -20~+80. Size: 5.8cm x 1.8cm. Package Included:1 x Water Level Switch NO Retail Box. Packed Safely in Bubble Bag.