⭐Warranty -The product warranty period is 3 mouth -The warranty includes the machine and battery -Warranty definition-non-human damage -------------- -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. Specifications:  Reality Battery capacity: 4.0Ah Input voltage: 110-220V Torque: 800N.m Impact Frequency: 0-3800 RPM No-Load Speed: 0-4200 RPM Screw diameter: 1.5 Wrench Head Size: 1/2inch  Electric Screwdriver Size: 1/4inch Features: *Disassembly, installation, drilling, 3 in 1 *anti-fall, strengthen steel plate, hammer function *High quality motor, small volume, heavy torque-800NM *Tungsten carbide steel shaft, aluminum head, strong and durable *Stepless variable speed switch, press to adjust the speed efficiently *Large vents efficiently improving heat generation for long-term use *Ergonomic soft-grip handle & integrated 3pc LED work light, beautiful and  durable *Large capacity lithium battery, overload protection, fast charging, long lasting power Package Included 1 x Toolbox 1 x Impact Wrench 1 x User Manual 1 x Malaysia plug Power Charger 2 x 3.0Ah Li-Ion battery Other Accessories Battery Maintenance And Matters Of Attention * Don't charge batteries that have enough electricity！ * Separate isolation in a dry place！ * Make sure that the battery is dry without water！ * The battery and the host body are placed separately. It needs to be charged every  15-30 days without use for a long time！ * Clean up the battery every time you use it！ * When charging, someone should look next to it and be sure to disconnect the charger when you leave！ 🔩 If you are not satisfied, don't like the product, or the product is defective, please contact us as soon as possible. We will deal with after-sales problems for you as soon as possible. We promise to provide you with exchange, return, refund and other services, please rest assured to buy.