Functions:One of the perfect products for your own car. Easy to read readings and accurate display Built-in ball valve, easy to open and close. Rubber coating to protect the pressure gauge from damage. Glass observation hole where the user can observe the flow of refrigerant.Technical data:Condition: 100% Brand NewColour: as shown in the picture.Suitable for refrigerants: R134A, R12, R22, R410A, R404A, etc.Interface: 1/4 interfaceAccuracy: 1.6 step, high impact resistancePointer range: high pressure: -30 ~ 800 PSI (-1 ~ 55 bar).Low pressure: -30 ~ 500 PSI (-1 ~ 35 bar).High quality fluoride tube:Connection: 1/4 inch.Length: approx. 1.5 m.Dielectric strength: 500PSI ~ 2500PSIPackage contents:1 x fluoride table.3 x 1.5 m inflatable hose.2 x adjustable joint A/C quick joint (red = high pressure, blue = low pressure).1 x valve core wrench.1 x hook.1 x tube.2 x rubber rings.1 x bottle opener R134a.1 x black tool box.1 x manual (English language not guaranteed).