Rechargeable Smd Work Light - J3500-SMD Light with 15 High output SMD's with two power settings. Setting 1 is exceptionally bright giving approximately 600 lumens and will a barttery life of 4 hours. Setting 2 will reduce the light output but increase the run time to 7 hours, the built in battery monitor, which is located in the handle gives a clear visual indication of battery status.