Rated voltage: 220V Rated current: 4A Protection class: IP65 Mechanical endurance: 100,000times Electrical endurance:500,000times Power range: Less than 500W,500W should add a contactor Working pressure:0.1MPa Control range:0. Environment: pool, oil, weak acid and weak base in water or oil tank,etc. Application The float switch is a switch which regulates fluid level in the tank or well etc.The float switch is resistant to water(sewaga water),it is relative capable of being used for oil,mostacids and alkalis.The float switch is not explosion proof. Colour:blue Material:plastic Size:4 meters Package Contents: 1 x Float Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.