410 Lumen Rechargeable COB LED Slim Light Unique dial power switch is infinitely adjustable from 0-410 lumens of light output. 10 hour work time at 50% power, 2.5 hours at full power. Swivel and stay base features an 20 lb. magnet that can be removed to shorten profile. 40 chip COB LED array allows for light density up to 850% more than SMD LED’s while consuming less power. Externally and internally designed for harsh conditions and dirty environments. Steel collapsible hanger. USB rechargeable (includes wall adapter and Micro USB cable). Samsung Lithium Ion 2200mAh battery, charge time 4 hours. Overcharge protection and auto idle mode 40SL Yes - GASOLINE ENGINE EXHAUST (CONDENSATES/EXTRACTS)