Elitech Smart Digital Manifold Gauge DMG-4B, 3-Way HVAC Refrigerant Tester with Bluetooth, OTA Remote Upgrade, 140+ Refrigerants

Elitech Manifold Device Integrates The Functions Of Pressure And Temperature Measurement, Vacuum Measurement, And Pressure Holding Test, Providing More Abundant Data For You To Analyze And Diagnose, And Improving On-Site Work Efficiency. Adopting A Solid Plastic Shell, Combined With Durable Elastomer Buttons And A Backlight Lcd Screen, The Product Can Be Better Protected, And The Data Can Be Displayed More Clearly.