Features: The installing hole is 10 mm. The protection level of the junction box is above IP-65. PP plastic material can be used in strong acid and alkali places. Multi-point control is possible, and the control switch can be customized with the liquid level position. There is no need to provide a separate power supply with the reed switch. A single unit can be used for multi-point control, and the unit price is lower than other level switches. This product can be applied to liquids with different densities, different acids and bases, different pressures, and temperatures. Package Includes: 1 x Float Switch Specifications: Material: PP Length: 9.9 cm / 3.9 in Diameter: 2.5 cm / 0.98 in Color: Light blue & yellow Maximum power: 10 W Maximum switching voltage: 110 VDC Maximum switching current: 0.5 A Minimum crash voltage: 220 VDC Maximum load current: 1.0 A Maximum contact resistance: 100M Temperature range: -10C to +85C Note: Please allow 1-3 cm error due to manual measurement. Please make sure you do not mind before purchasing. Due to the difference between different monitors, the picture may not reflect the actual color of the item.