We offer discount for large quantity. Welcome to us5pcs ZP4510 Liquid Level Sensor Vertical Float SwitchThe SA float switch is a device used to detect the liquid level in a tank. The switch can start a pump, indicator, alarm or other device. It can be easily converted from normally open to normally closed by inverting the float. Note: Since the current that the switch can carry is much small (0.5 a), you need to use a relay or or when connected by a load, a relay or or is not included here. The color of the cable may be different, we will random shipping. Product Name: Water Level SensorModel NO.: ZP4510Maximum U-Rating: 10WMaximum Switching Voltage: 100V DC/ACMaximal Switching Current: 0.5AMaximum Breakdown Voltage: 220V DC/ACMaximal Transfer Current: 1A Maximum Resistance: 100m ohmsTemperature Rating: -20/+80 CelsiusFloat Material: PPaximal Float Body Material: PPMaximal Thread Diameter (Approx.) : 9.5mm / 0.374" Change Body Size: 23.3x57.7mm / 0.9" x 2.27" (Max. D * H) Cable Length: 36cm / 14.2" Color: White Net Weight: 70g Package Content: 5 x Water Level SensorNote: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. Measurement error is +/-1-3 cm. About usWe provide good product with best price, support wholesale order/