Features: 1.Exhaust gas temperature meter aims to measure the exhaust gas temp accurately and sensitively. 2.With high reading ability, 300?1300 temp measurement range, ideal replacement for the original one. 3.With LED backlight liquid crystal display, provide high visibility even in the dark, allows temperature data reading anytime. 4.This meter is made of stainless steel with a plastic casing, shockproof and corrosion resistant, waterproof and safe to use. 5.Universal for most 12V cars, high practicability and high reliability, has long service life. Specification: Item Type: Exhaust Gas Temp Gauge Material: Plastic+Stainless Steel Color: White Light Measurement Range: 300-1300 Mounting Base Size: Approx. 60mm/2.5in Power: DC(10-15V) 12V Professional Fitment: Suitable for 12V gasoline car, works on 4/6/8 cylinder engine. Wiring: Red---Positive Black---Negative Yellow + Red---Power White Light Orange + Green---Sensor