This tool features a powerful brushless motor and a 1/2" square drive, delivering no-load speeds of 0–1,600, 0–1,900, and 0–2,300 rpm, with an impact rate of 0–2,100, 0–2,500, and 0–2,900 bpm. It provides a maximum fastening torque of 400 Nm and includes an integrated LED work light for improved visibility in low-light conditions. The kit comes complete with a 20V charger (FCLI2001) compatible with 220–240V ~ 50/60Hz power, two 2.0Ah battery packs (FBLI20011), and three sockets sized 17 mm, 19 mm, and 21 mm, making it a comprehensive solution for demanding fastening tasks.