Specifications:

Product Name	Water Level Sensor
Contacts	NO+NC
Max Contact Rating
10W
Max Switch Voltage	100V DC
Max Switch Current	0.5A
Max Breakdown Voltage	220V DC
Max Carry Current	1.0A
Max Contact Resistance	100mΩ
Temperature Rating	-10 ~ +85 Degree
Float Ball Material	Plastic
Float Body Material	Plastic
Float Ball Size	23 x 21.5cm/ 9" x 8.4" (D*H)
Screw Thread Diameter	9.4mm/ 3.7"
Retaining Clip Diameter	20mm/ 0.8"
Body Total Length	12cm / 4.72"
Cable Length	33.5cm / 13.2"
Color	White, Black
Weight	18g
Package Content	1 x Water Level Sensor

Description:
A 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. Use them with hydroponics, saltwater tank, freshwater tank, gardening, aquariums for power head control, pet bowls, fish tanks, filtration, heating, pumps, ponds, basement alarms, boats, air condition drain pans, pressure washers, carpet cleaning mach, reef aquarium, fluid control, ice machines, coffee pots, marine, automotive, automobiles, tropical fish tanks, evaporator coils, condensation line, in relays, or what ever your project may be. It can be easily converted from normally open to normally close by invertin 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 and contactor are not included here.