The Milwaukee Tool REDLITHIUM USB 400L Neck Light, No. 2117-21, is ideal for delivering lighting for inspection work and general tasks. It adapts to users' lighting needs with 90 degrees of vertical rotation for complete lighting head adjustment and features a press-and-hold power button, delivering up to 400 lm of TRUEVIEW high-definition output and two-and-half hours of run-time on high. The neck light is IP54 rated, designed to survive most chemicals found in automotive body shops, and impact resistant for drops up to 6'.