Features and Benefits:A rugged, lightweight steel cart with wheels and convenient storage pocket for scale and hoses allows this portable charging station to be taken almost anywhereExtruded aluminum manifold with long lasting valve design240 lb capacity scale with long lasting 9V battery (60 hrs)R134a 2-Way Manifold with 2 1/2? gauges6 CFM Single Stage Vacuum PumpElectronic Charging ScaleManual CouplersSet of HosesA lightweight, durable, steel frame cart that contains all the necessary tools to quickly and conveniently charge the A/C system. No need for different sized charging cylinders with Mastercools rugged die cast electronic scale. Simply place the refrigerant cylinder on the scale and charge.Also Available: 98250 Refrigerant Tank Heater