Features: The 50 in 1 rechargeable electric screwdriver kits features a high torques quiet motor (110RPM±10%) and 4 shadowless LED lights for precise tasks in low light conditions. Equipped with manual/electric double modes, adjustable 0.5 3N.M torques, and alloy steel bits for across various screw types. Designed for DIYer enthusiasts, electronics repair specialists, and homeowners needing reliabled tools for delicate smartphone or appliance maintenance. Optimized for compact workspaces like circuit board repairs, furniture assembly, and other scenarios requiring quiet, cordless operations. Its 400mAh lithium batteries delivers 4+ hours of continuous use via Type C charging, supporting over 1000 screw removals at 44g portability. Specifications: Product model: 6133 Battery voltages: 3.7V Battery capacity: 400mAh Charging time: 4 hours Weight: 44 grams Speed: 110RPM ± 10% Manual mode torques: 6N·m Adjustable torques of electric mode: 0.5-3N·m Package Includes: 1 Set 50 In 1 Electric Screwdriver note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.