Description: 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 etc. The plastic float switch of side mount duckbilled is a frequently opened, often closed, switching contact and with the overall brake, it's installed from the outside and doesn't need to be sealed. Installation: It is installed horizontally drilling at the bottom or at the top. Specification: Contract rating (Max): 10W Switching voltage (Max): 100V DC Switching current (Max): 0.5A Breakdown voltage (Max): 220V DC Carry current (Max): 1A Max Contract resistance (Max): 100 OHM Temperature rating: -10 ~ +85 Celsius degree Material: plastic Length: 49cm / 19.3inch Tail Diameter: 16mm / 0.2inch Package Includes: 1 Piece Liquid Water Level Sensor Horizontal Float Switch