Quick view Veratron VDO OceanLink I - 52mm Black Pyrometer B 900°C - 12-24V DLRB N02-311-556Installation diameter 52 mm - 2 1/16"Black dial - Backlight redBlack bezel round clip-onExhaust gas: 100-900°CInput: EasyLink1 serialbusLens: Anti-fog double plastic