DCD 791:Cordless drill driver. The latest generation of powerful 2-speed cordless drill driver with higher output power, greater torque and higher drilling performance with more compact dimensions and lower weight compared to the previous model. Longer runtime per battery charge and longer service life thanks to innovative, brushless motor technology. Optimised 2-speed full metal gearbox for perfect power transmission. 15-stage torque module with safe and reliable switch-off torque ensures precise screwdriving work in all settings. Easily adjustable switch electronics for exact drilling and precise screwdriving. Problem-free long-term use thanks to safety electronics (permanent monitoring of battery temperature, current drain and discharge protection). Extremely robust 13 mm quick-action drill chuck made of solid metal with centred clamping jaws and easy handling thanks to automatic spindle lock.