2-1/16" (52mm) dual-display gauge: vacuum-boost to 6 Bar and EGT/pyrometer/exhaust-gas temperature to 1000 deg-C. Includes precision external boost sensor and EGT probe with compensation controller. 1/8"-dia EGT probe allows for rapid response to temperature changes. Lights dimmer with adjustable day and night brightness. CNC machined billet aluminum housing in brushed natural or anodized black finish.