Measuring range: 0-5 M Blind area: 0.25M~0.6M Distance accuracy: 0.25%~0.5% (standard conditions) Distance resolution: 1MM Pressure: below 4 atmospheres Color: As shown Material: ABS Instrument display: built-in LCD to display liquid level or space distance Analog output: 4~20MA Digital output: RS485/MODBUS protocol or customized protocol Power supply voltage: DC12V/DC24V/AC220V, built-in -protection device Ambient temperature: -20~+60C (please specify for high temperature customization) The appearance color and words may be different due to different factory batches, but it not affect the use Package Contents: 1 x water level indicator Only the above package content, other products are not included. Note: Light reflection 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.