technical data: battery type: lihd battery voltage: 18 v battery capacity: 2 x 5.5 ah max. Screw size: m27 max. Idle speed: 0 - 2575 /min max. Impact rate: 3300 /min max. Torque: 800 nm max. Loosening torque: 1200 nm speed/torque settings: 12 tool holder: 1/2 square drive (12.70 mm) weight without battery: 1.95 kg weight with battery: 2.9 kg vibrations impact screwdriving: 10.7 m/s2 uncertainty k: 1.5 m/s2 noise emission uncertainty k3 db(a) scope of delivery: belt clip 2 lihd batteries (18 v/5.5 ah) quick charger asc 145 air cooled metabox 145 l powerful cordless impact screwdriver with 1/2 square drive and 800 nm torque powerful brushless motor for highest efficiency and long battery life loosening in aps (automatic power shift) mode: prevents the screw/nut from falling off thanks to automatic speed reduction after loosening fastening in aps (automatic power shift) mode: prevents the screw/nut from overtightening thanks to automatic shut-off after the first impact high torque and exceptionally handy design very high performance for heavy-duty screwdriving jobs reduced vibrations when working with very high torque 12 speed/torque levels enable a wide range of applications integrated led work light ensures optimal illumination of the work area robust die-cast aluminum gear housing - optimal heat dissipation and durability with practical belt hook for mounting on the right or left side. the lihd battery offers exceptionally high power an unprecedentedly long operating time and a very long service life with metabox the intelligent transport and storage solution multiple brands one battery system: this product can be combined with all 18v batteries and chargers from cas brands