Upgraded rectangular case with minimalist design Magnetic case and lid for easy storage Includes 25 alloy steel bits and an extension bar Handy magnetic case lid keeps everything in place Long-lasting 1500mAh lithium battery installs over 800 screws Battery approved by 37 safety tests High-speed and full-metal gearbox for stable and powerful performance Built-in smart chip accurately controls 3 torque levels to reduce gear movement Ring LED light with automatic shutdown after 10s of inactivity Shadeless light for quality performance even in dark spaces Emergency stop function for user safety Type-C charging port compatible with other electronic devices Guaranteed quality with a total of 56 safety tests 4N.m maximum torque Three-staged rotary knob for torque adjustment 25 S2-steel screwdriver bits Electric and manual screwing Ring LED Light 1500mAh lithium battery USB-C charging port All in one storage box HOTO's rectangular, magnetic lid-shaped case stores 25 durable alloy steel bits, including an extension bar. The 1500mAh lithium battery installs over 800 screws, with three torque levels to cater to various needs. The ring LED light provides shadeless lighting, and the built-in circuit board ensures user safety with the emergency stop function. With a Type-C charging port and 56 safety tests, this screwdriver is perfect for tech gadgets, PC setups, home appliances, furniture, bicycles, and skateboards.