One handy feature with this screwdrivers is multiple gears. You don't need to bother with a cord, since it runs on a rechargeable battery.
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From Amazon
Bosch Professional 18V System GSR 18V-55 cordless drill driver (max. torque: 55 Nm, excluding batteries and charger, in L-BOXX 136)
Conrad Electronic
Bosch Professional GSR 18V-55 Solo 06019H5203 Cordless drill 18 V Li-ion incl. case, w/o battery