10pcs Mini Water Liquid Level Sensor Vertical Float Switch 36mm ZP2508 PVC Tubing Carbon brush is a item

Carbon brush is a item easy to broken when it working

shrinking fast

Stainless Steel blade

Standoffs and Cap Assemblies are used to create innovative designs by combining glass and metal to connect panels

A float switch is a device used to sense the level of liquid within a tank

10pcs Mini Water Liquid Level Sensor Vertical Float Switch 36mm ZP2508 PVC Tubing Carbon brush is a itemA 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. 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.