Description: Contactless Liquid Level Detection: This Liquid Level Sensoring Switch is designed for contactless liquid level detection, external mounted on the outer wall of the container Adjustable Sensitivity: The Sensoring Switch allows easy sensitivity adjustment based on container thickness. Simply fix it to the desired position on the container and calibrate by pressing a button for 3 seconds until the blue LED indicator flashes High Stability: Tank level switch comes with fixing bracket, easy to attach on the external of the container. Optional: Bracket A: for 8 - 12mm tubing diameter; or Bracket B: for 12 - 26mm tubing diameter. choose according to your need LED Indicator: Water Level Indicator features an Light display for liquid level status observing and supports open-drain output with a maximum output current of 300mA, suitable for integration into diverse control circuits Wide Compatibility: High sensitivity tank liquid container water level detect switch has sensing distance of 10mm, suitable for use glass, ceramic, various non-metallic materials containers Specification: Material: PP Working voltage: DC5 -24V Installation Method: Bracket Fixing Sense Distance:10mm Cable Length: 40cm Switch: 3cmx1.9cm/1.18inchx0.75inch Size Chart: Optional: Bracket A: for 8 - 12mm tubing diameter or Bracket B: for 12 - 26mm tubing diameter Package Includes: 1 Contactless Liquid Level Switch Note: Please allow slightly errors due to manual measurement and different monitors.