This item is a vertical float switch. It is well designed for floating on liqid. Its material is premium so its quality is able to ensure. This device used to sense the level of liquid within a tank. The switch may actuate a pump, an indicator, an alarm, or other device. It can be easily converted from normally open to normally close by inverting the float. Feature - Color: As shown - Material: PP - Size: 6x2.3x2.3cm - Rated Current: 1.5A - Working Temperature: -10to60 - It is portable and lighweight. - It can be used in many situation such as in pump and in tank. - Will not handle high current, but works very well with something like a rainbird and a relay to turn on pumps. - These switches seem well built and come completely apart other than the sealed shaft.