Features: Used to measure the level in a tank. The switch can activate a pump, an indicator, an alarm or other device. This float switch is a easy structure, easy installation liquid level controller. Widely used in electronic, electrical, chemical, water treatment, drainage,etc. The versatility of this vertically mounted sensor means it can be installed on the top or base of your tank, depending on whether you wish to detect the waters rise or fall. Package Includes: 1 Pcs Water Level Sensor. Specifications: Color: Silver Material: Stainless Steel Max. Contact Rating: 10 W / 50 W Max. Switching voltage: 240 V AC Max. Breakdown voltage: 220 V DC Max. Switching current: 0.5A Max. Carry Current: 1A Max. Contact Resistance: 100m Working Pressure: 10kg / cm Max. Pressure: 0.2 Mpa Applicable Ratio: 0.75 Operating Temperature : -10 ~ + 120 Switch Operation: Reversible Thread: PTFE High Temperature Line Installation Method: Vertical Mounting Thread Diameter: 10mm / 0.39 inch 6 Size Optional: 100mm / 3.94 inch 150mm / 5.91 inch 200mm / 7.87 inch 250mm / 9.84 inch 300mm / 11.81 inch 400mm / 15.75 inch note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you