Specification :Condition : 100% Brand newDiameter:2"/52mmCurrent:IGN MAX 0.3A ILM 0.3APower:DC(10-15V) 12V ProfessionalVacuum Scale 0 to -30 In.HgLight color:WhiteMaterial : metal & plasticHousing color : Black(The compatibility just for reference .Please make sure the item fit for your car before purchase.)Package included :1 x Vacuum Boost Gauge1 x Nylon Pressure Line1 x T-T-fitting Adaptor1 x Users Manual In EnglishNote :Professional Installation Is Highly Recommended!