WOWSTICK SD 36 in 1 Dual Power Lithium Electric Screwdriver With LED Lights 1. Built-in lithium electricity, ultra-long standby. 2. Super long 67mm output shaft, easy to deal with narrow working conditions. 3. Equipped with 3 LED shadowless lights, no fear of dim environment. 4. It has varying sizes of screwdriver bits that will easily meet your every need, with bit hardness of up to 60hrc. It is also equipped with 36 different screwdriver heads to handle varying types and sizes of screws. 5. Hand-self integration beyond ratchet. Its safer without scratching screws, and it will no wrist injuries. 6. With this sleek and innovative one-piece design, you wont see any screws on the surface, and the all-aluminum casing gives it an exquisite appearance. 7. The grip is super-comfortable as well as resistant to staining and corrosion. The internal gears are tightly attached and durable. 8. This screwdriver uses an all-metal gear-box thats both compact and powerful. The torsion is up to 0.9N.M for electric and 3N.M for manual use. 9. This unique screwdriver has only a single button on its entire body. You can start it with one click and control the direction of rotation without switching buttons. 10. The screwdriver uses magnetic suction mounting between the bits and the body, so that no additional tools are required for installation. Just place the replacement tool head close to the body of the screwdriver to complete the installation. Continuing suction ensures that bits dont loosen during use. 11. It can be used for a wide variety of household tasks, such as disassembly and assembly of small furniture, tables and chairs, beds, cabinets, door handles, various types of lamp, switches, etc.