This impact wrench has built-in LED lighting. It runs on a rechargeable battery, so it's completely wireless.
From Data Powertools
HiKOKI WR18DH 18V Brushless 1/2" Impact Wrench Body Only
Buyaparcel
HiKOKI Brushless 1/2 Impact Wrench Multi Volt 18v / 36v 350nm Bare Unit in Case
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