1.Made of special industrial ABS, shockproof and drop-proof 2.Ball valve switch, universal for high and low pressure, accuracy ±0.5% () + 5% 3.Product functions: vacuuming/refrigerant filling/pressure maintenance and pressure measurement 4.Applicable refrigerants include 22 mainstream refrigerants R123, R1234yf, R134A, R14, R141B, R142B, R22, R23, R290, R32, R404A, R407C, R407F, R410A, R417A, R438A, R449A, R452A, R513A, R600 5. Pressure test unit: Kpa, MPa, Bar, inHg;PSI;Kgf/cm² Minimum resolution: 1 kpa Pressure test range: 0 - 6000 Kpa Vacuum negative pressure range: -101 Kpa - 0 Kpa Color: green Material: ABS Package Contents: 1 x Air conditioning fluorine meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.