This is a machine with strong compressor and pump, quick vacuum and fast recovery. It will come with a big condensor helping to get rid of the heat from storage tank. So you can service more cars without high pressure problem. The operation screen is big to 122.5x77.5mm. Good for your eye and good for operation. LCD screen will teach you how to use this machine, as long as you have connected the hose properly. That's to say, the manual has been inside the system. Cylinder storage capacity is high to 15KGS. So it can service both cars and mini bus. There is also a scale for oil injection. Just set the amount you want, and the oil will be injected into the car automatically. Customized database will save your time to check the gas amount you need to charge. And if you want, you can update the database by yourselves. A SD card will do this job simply.