Single gang plate  fitted with 10 LEDs which can be coloured ( Red, Amber, Green) across a range of 0 - 10Vdc to provide a visual indication of Air Quality, CO2 levels, Ventilation position etc
 
N.B This product is available with the standard engraving and LED sequence, as shown in the above image. For any other options, please email sales@fortuneuk.com or call 01753669471