⭐Warranty -The machine warranty period is 1 year -The battery warranty period is 6 months -The warranty includes the machine and battery -Warranty definition-non-human damage ⭐Logistics -Sent according to the order time, will be sent within 24 hours -Damage occurred during transportation, we assume all responsibilities, please contact us in time, we will give you a satisfactory answer Feature:  -Forward/reverse Mode: Turn left/right of the rhombus button to be forward/reverse modewhich helps you fasten or loosen the screws easily. -Autostop Mode: If you turn on the Autostop button, it will stop rotating after working a few seconds even if you keep pressing the trigger. -Release and press the trigger again, then it will work again, to avoid the nuts falling off. Note: Only for Reverse Mode -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. Parameter: Model:KID002/KID003 Material:Stainless steel/ABS Motor Type: Brushless Torque：420N.M high torque Battery :4.0Ah 20V Lithium-Ion Battery Machine Size:155*205*85mm Impact Frequency IPM:0-2800 Rated Speed: 0-3300rpm/0-3000bpm No-load Speed: 0~6200 RPM Impact Rate: 0-~6200 Per Minute Wrench Head Size: 1/2inch Electric Screwdriver:: 1/4inch Charging Input Voltage: 100-240V 50/60Hz Charging Output Voltage: 21V 1.5AH Packaging Inclde: 1 * Impact Wrench 1 * User Manual 1 * Malaysia plug Power Charger 1 /2 * Li-Ion battery 1 * Wrench Socket