Adequate battery life: We know that battery life is a key issue when choosing a cordless impact wrench. Our rechargeable compact wrench comes with two 4.0Ah batteries, an LED power indicator light, and a quick charger. Compared to the 2.0Ah battery, the 4.0Ah battery has an extended operating time of over 50% and can be used continuously. You don't need to charge frequently, which can help you complete more work with less downtime. Two modes: The 21V impact wrench uses an efficient brushless motor to ensure stable operation in both speed modes, with a maximum speed of 3300 RPM. It is very suitable for tire disassembly, car repair, and construction. The operating time of the brushless motor has been extended by 53.5%, and the efficiency has been improved, making it an ideal choice for DIY enthusiasts and professionals Maximum Torque:320 Nm Battery Technology:Lithium-Ion (Li-Ion) Speed:0 - 3300 RPM Battery Included:Yes Power Source:Battery Charging Time:2 hr Colour:Blue Type:Rotary Hammer Drill Battery Capacity:4 Ah Voltage:21 V Motor Type:Brushless Cable Length:wireless Features:Compact, impact wrench, cordless drill, screwdriver Chuck Type:Keyed Power:1400 WImpact Wrench x1 Gloves x1 4.0Ah Battery x2 UK-PLUG Charger x1 1/2" Square to Hexagon Adpater x1 CR-V Screwdriver Bits x6 Flexible Shaft x1 3 /4 /5 /6MM Pointed Drill Bits x4 & Twist Drill Bits x4 14 /17 /18 /19 /21MM Crv Nut Sockets x5 6 / 8 /10 /12MM Hexagonal Column Sockets x4 Portable Storage Box x1