BePhotoInc 2 x 500 LED Light Panels Photography Video Studio Lighting Panel with Filters and Dimmer Switch 500SDx2 ReviewbP PP ePhotoInc 2 x 500 LED Light Panels Photography Video Studio Lighting Panel with Filters and Dimmer Switch 500SDx2 PHigh output, stable color temperature, long service lifeP500 LED's (equivalent output of 500 watt)PUses: 50 watt and it is Equivalent: 500 wattsP4 Dimmer Switch and dial dimmer Power OnOffPPower Source : 110V-120V ONLYP