Feature: 1. Easy To Use: This rechargeable grease gun is very easy to use, you just need to load the grease and pull the trigger to use it, which greatly improves the lubrication efficiency. 2. 12000PSI Working Pressure: This cordless grease gun has a maximum working pressure of up to 12,000 PSI and a maximum oil output of 110g‑130g/min, with an upgraded powerful motor to deliver grease easily. 3. Long Endurance: This grease gun kit comes with 2 x 2000 mAh rechargeable lithium batteries to support longer working speeds, fully charged batteries can dispense up to 15‑20 tubes of grease continuously and can be supported by replacing with spare batteries. 4. Accurate Controlling: This electric grease gun allows accurate control of grease flow with a variable speed trigger, providing optimal maintenance of your valuable equipment while avoiding wasted grease. 5. Wide Application: This automatic grease gun has a wide range of applications and can be used for harvester, excavator, bulldozer, machinery maintenance, ship oiling and so on. Specification: Item Type: Grease Gun Material: Aluminum Alloy, Nylon Battery: 21V Polymer Battery x 2, Battery Capacity: 2000mAh x 2 (Included) Voltage: 100-240V Dual Use: for Caterpillar, Barrel Oil Maximum Working Pressure: 12000PSI Flow Rate: 110g-130g Per Minute. Package List: 1 x Grease Gun 1 x Adapter 2 x Batteries 1 x Hose 1 x Sleeve 1 x Connecting Rod 1 x Adapter Head 1 x Rotary Rod 1 x Nozzle 1 x Accessories Storage Box 1 x Plastic Case