One handy feature with this screwdrivers is built-in LED lighting. It runs on a rechargeable battery, so it's completely wireless.
From Amazon
Bosch Home and Garden Cordless Screwdriver IXO (5th generation, 3.6 V, in case)
Wickes
Bosch IXO 3.6V 1.5Ah Li-ion Cordless Screwdriver - Green