The HOTO 12-in-1 Electric Screwdriver is a versatile tool for assembly work and DIY projects.It includes 12 durable S2 alloy steel bits, with a hardness rating of 60HRC, covering various types.The screwdriver offers three torque settings and has a no-load speed of 220 RPM.The 1500mAh battery can assemble over 1,000 screws on a single charge.