studio lighting, photography equipment, flash light Technic specification: VE-150VE-200VE-300VE-400Power output150W200W300W400WGN(2m, ISO 100)43506070Output control rangeFull to 1/16 steplessRecycling Time to Full 220V-240V/50HZ0.8-1.5s0.8-1.8s0.8-2.3s1-2.5sRecycling Time to Full 110V-120V/60HZ0.8-1.8s0.8-2.1s0.8-2.7s1-3.1sFlash duration1/800th-1/1200thModeling lamp Output150Triggering MethodSlave sensor/sync cord/ test buttonColor temperature5600°k±200°k10) Flash tube"Plug-in" Tube(user replaceable)11) Triggering voltage5V Low voltage triggering12) Cooling fanYes13) Auto power dumpYes14) Overvoltage/overheating protectionYes15) Power sourceAC 190-240V 50HZ automatic voltage regulator circuit16) Accessories includeReflector, power cord(4m), sync cord(4m), modeling lamp, instructions booklet17) Weight1.6kg1.8kg2.0kg2.2kg18) Demension(cm)30x12.5x12.5without reflector