A06K 50cm Stainless Steel Water Level Liquid Sensor Vertical Float Switch This is a Mini stainless steel float swith,contains no mercury._x000D_ This float switch is a device used to sense the level of liquid within a tank,the switch may activate a pump,an indicator,an alarm,or other device._x000D_ This Mini float switch is a simple structure,easy installation liquid level controller._x000D_ It does not have a complex circuit,will not be disturbed,as long as the material selection,liquid,pressure or temperture can be used in any environment._x000D_ Light weight and simple working principle,high reliability._x000D_ The versatility of this vertically mounted sensor means that it can be installed either at the top or base of your tank,depending on whether you wish to detect the water rise or fall._x000D_ The float level switch is widely used in electronic,electrical,chemical,water treatment,drainage and other walks of life level control and alarm._x000D_ Product Name: Float Switch_x000D_ Material: Stainless Steel_x000D_ Net Weight: 123g_x000D_ Max. Breakdown Voltage: DC 220V_x000D_ Max. Switch Current: 0.5A_x000D_ Max. Switch Voltage: DC 100V_x000D_ Max Wattage: 10W_x000D_ Temperature Range: Low temperature 0-60 Celsius_x000D_ Max. Contact Resistance: 100m Ohm_x000D_ Thread Size: 10mm/0.4";_x000D_ Float Ball Size: 28 x 28mm/1.1" x 1.1"(L x D)_x000D_ Wire Length: 30-40cm_x000D_ Total Length: 528mm/21"_x000D_ _x000D_ package content: 1 x Water Level Sensor_x000D_ Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_