Specifications: Item Type: AC Manifold Meter Product Material: ABS, Brass Battery: 1 x Battery (not included) Connection: 1/4 inch SAE Pressure Range: 0-60 BAR (0-6000 Kpa) Maximum Overload Pressure: 75 BAR Vacuum Range: -29INHG-0INHG Sensor Refresh Rate: 1 second Measurement Accuracy: ±0.2% Auto Shutdown Time: 30 minutes Backlight Screen Off Time: 1 minute Temperature Unit: ℃/℉ Applicable Refrigerants: R134A, R1234YF, R22, R290, R32, R404A, R407C, R410A, R502, R507, R600, R600A, R12, R125, R401A, Applicable Units: MPA, KPA, BAR, PSI, INHG, KGF/CM² Resolution: 0.001MPA, 1KPA, 0.01BAR, 0.1PSI, 1INHG, 0.01KGF/CM² Voltage Parameter Applicable Battery Voltage: 9V How to Use Direct use Package List 1 x Pressure Meter 3 x 1.5m R410A Brass Connector Hose 2 x Adaptor (R410A conversion) 2 x R134A Adjustable Connector 1 x R134A Anti Backflow Bottle Opener 1 x English User Manual 1 x Storage Box