Feature: 1. [Powerful Performance] This electric grease gun features an upgraded high power motor, effortlessly delivers lubricating grease, with a maximum working pressure of 12000 PSI and a speed of 20000 RPM. 2. [Efficient and Time Saving] Simply load the grease and pull the trigger to use, significantly enhancing lubrication efficiency and saving time, without the need for manual pumping. 3. [Reduce Muscle Fatigue] Say goodbye to strenuous manual pumping with this electric grease gun, as it helps reduce muscle fatigue and strain on your arms. 4. [Accurate Greasing Control] The battery powered grease gun allows for accurate control of grease flow through variable speed trigger, ensuring optimal maintenance for your valuable equipment while minimizing grease wastage. 5. [Extended Working Time] Equipped with 2 x 4000mAh rechargeable lithium batteries, this grease gun supports longer working hours. Fully charged battery can dispense up to 15 to 20 tubes of grease. Also compatible with for 18 to 21V batteries. Specification: Item Type: Electric Grease Gun Material: Aluminum Alloy, Nylon Voltage: 100-240V Battery: 21V Polymer Battery x 2 (Equipped) Battery Capacity: 4000mAh x 2 Speed: 20000 RPM Grease Output Per Battery: Over 3200g with Hose and Flat Nozzle Grease Output Per Minute: 110-130g Applicable: Barreled Grease, for Caterpillar Grease Balls. Package List: 1 x Electric Grease Gun1 x Adapter1 x Lubricating Grease1 x Lubricating Grease Scraper2 x Wrench1 x Tubing1 x Oil Pan1 x Connector1 x Connecting Nut1 x Oil Nozzle1 x Accessory Storage Box1 x Plastic Pipe Connector1 x Pry Bar2 x Battery1 x Storage Box