Feature: 1. Excellent 304 Stainless Steel Material: This float water level sensor is made of excellent 304 stainless steel material, which has the characteristics of high strength, high reliability, anti erosion, solid and not easy to be damaged, not deformed and durable. 2. Reed Switch Contact: This tank liquid water level sensor uses a reed switch to make the internal contact, which is extremely sensitive, strong and cost effective. 3. Easy Installation: The float switch water level sensor features a convenient wire length of approximately 400mm, allowing for easy installation and connection. 4. Accurate Level Detection: Equipped with dual ball floats, this liquid water level sensor offers accurate level detection. The float switches ensure reliable and accurate water level monitoring, preventing overflows or dry running situations. 5. Wide Application: This double ball float switch sensor is widely used to control the level of water tanks, pools, sinks, aquariums, etc. (draining or feeding) or to facilitate the operation of the level up and down alarm switches. Specification: Item Type: Dual Ball Float Switch Sensor Material: Stainless Steel Size: Approx. 200mm/7.87in Voltage: 0-220V Wire Length: Approx. 400mm/15.75in. Package List: 1 x Dual Ball Float Switch Sensor