Specification: Product Name : Water Level Sensor Model No. : ZP4510 Max Contact Rating : 10W Max Switching Voltage :100V DC/AC Max Switching Current : 0.5A Max Breakdown Voltage : 220V DC/AC Max Carry Current : 3A Max Contact Resistance : 100m ohm Temperature Rating : -10 / +85 Celsuis Float Ball Material : P.P Float Body Material : P.P Thread Dia(Approx) : 9.5mm / 0.374 Switch Body Size : 23.3 x 57.7mm / 0.9 x 2.27(Max D*H) Cable Length : 36cm / 14.2 Color : White Net Weight : 44g Description: SA float switch is a device used to sense the level of liquid within a tank. The switch may actuate a pump, an indicator, an alarm, or other device. It can be easily converted from normally open to normally close by inverting the float. Note: because the current that the switch can carry is much little(0.5A), you must use a relay or contactor when it is connected by a load, relay or contactor are not included here. Due to product batch is different, cable color may be different, we will random shipment. Package Content: 5pcs x Water Level Sensor