Refrigerant meter group:It is used for pressure and flow measurement and control when filling refrigerant. It is equipped with two composite pressure gauges, hooks and three 80cm red, yellow and blue tricolor rubber tubes. Refrigerant meter group soft angle seat valve design - the precision design of the dynamic flow double O-ring seal ensures a faster and trouble-free emptying and filling process. Model Number:Refrigerant Manifold Gauge Max Measuring Range:200 PSI & Above Display Type:DIGITAL Dial Diameter:1.9 Inches & Under Applicable:for R410a R-404A R-134a Refrigerant Manifold Gauge 1.Air conditioning manifold tester. Designed for automotive / domestic air conditioning systems. 2.Red and blue manifold instruments, clear scales, vivid scales, with rearview mirror, easy to read. 3.The high pressure valve helps to that the parts are connected. 4.The manifold measurement tool can be set up to service any air conditioning system for diagnostics and charging. 5.Comes with a sturdy hook for easy hanging and saves space. Commodity name: Car air conditioner fluoride meter Product function: This product is mainly suitable for the pumping and pressurizing operation of refrigeration maintenance, used for refrigerant filling of air conditioning system, and displays the real-time system pressure. Refrigerant table group features: Easy to read readings and accurate display; The rubber sheath can protect the pressure gauge from damage; Glass observation hole, users can observe the flow of refrigerant at any time; Built-in ball valve, easy to open and close; High-precision pressure gauge with a diameter of 80mm and an accuracy grade of 1.6. Colour:Photo Color Material:Metal Package Contents: 1 x HOSES 1 x Adapterl 1 x Hook 1 x ACDiagnostic Manifold Gauge 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.