Flow controller Power supply: 180V-240VAV Display: LED With a unique design for the interface, it is easy to operate. Also it can preset dosing area and the open of the oil gun. It can memory the precious figures of the oil also we can set a code to protect the figures from missing. It can apply to automobile, engine and gearbox manufacturing factories, gas station for the injection of engine oil, gearbox oil, and freeze. Flow sensor   It is an impulsion flow sensor which can demarcate the precision of the system to 0.2%. At the same time, it can make sure the injection of the high-pressure lubricant and other liquids like this.     Pneumatic pump According to different situation we can choose relevant length and ratio of the pump to the best effect.It is optional for either wall-mounted or barreled one. Oil gun With a streamline hand and a leak proof nipple Miniature printer It can print the date and the volume of the injection.