Features:  - 1/2' square drive.  - Easy to do or undo car wheels.  - 800N.M high torque, stepless speed change switch.  - Powerful electric wrench, multi-purpose, super power.  - Tungsten steel shaft, high hardness and wear resistance.  - Suitable for construction site shelves, maintenance, woodworking, etc.  - The Brushless Motor Does Not Generate Sparks When It Is Working, And The Motor Does Not Wear.  - Dual Purpose: Impact Wrench + 1/8' Screwdriver.     Specification:  Color: Black+Red;  Square Drive: 1/2';  Power Input: AC 110-240V;  Rated Torque: 300 N.M  (800 Max.);  No-load Speed: 0~6200 RPM;  Impact Rate: 0-~6200 Per Minute;  Battery Capacity: 22800 mAh;  Optional Pattern: 1 Battery SET/2 Battery Set.     Package Included:  One Battery Set:  1 x Impact Wrench;  1 xBattery;  1 x Power Adapter;  1 x User Manual;  Or  Two Battery Set:  1 x Impact Wrench;  2 x Battery;  1 x Power Adapter;  1 x User Manual.     Notes:  1. Manual measuring, please allow 1 ~ 3 cm error, thank you.  2. Please leave us a message about your prefer Pattern, or we will send by random.  3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Please understand, thank you