1、1/2in Keyless Chuck: The 1/2in keyless self locking chuck of the electric drill driver provides tighter drill bit fixation, and making it easy to quickly replace the drill bit. 2、Applicable Range: This cordless impact drill has a maximum torsion of 400 in‑lbs, suitable for drilling wood, metal, and plastic holes, tightening and loosening screws. 3、Soft Rubber Handle: This brushless impact drill is equipped with a soft rubber handle, convenient to grip and reduces friction, ergonomic design provides maximum comfort. 4、LED Lamp Lighting: This electric impact drill is equipped with LED light, making it convenient for you to use in dark or dimly lit environments without missing any details. 5、Battery Powered: This brushless electric impact drill is powered by 18V lithium battery (not included), easy to install and replace, making it easy to use anytime, anywhere.