STANLEY BFLIUS BarFlex: Rechargeable 500 Lumen Lithium Ion LED Work Light with Magnetic Flexible Base, USB Power Charger, Swivel Carabiner Hook Delivers up to 500 lumens with 26 ultra-bright LEDs; 3 different modes of lighting: High, low, or emergency flash Rubber over mold and shatterproof design; Pivot tube allows the BarFlex to be tilted backward and forward, directing illumination upward or downward Lithium Ion battery stays charged up to 12 months without recharge; Runtime up to 6 hours Includes a 120 volt AC charging adapter with USB port charging capability Hang by carabineer hook with 360 degree rotation or mount to metal surface with magnetic base; Allows hands-free use when it is needed