Illumination (Use Condenser Lens) Approx. 1m 1600 lux Approx. 2m 400 lux Approx. 3m 150 luxColor Temperature3200°K / 5600°KIllumination angle Vertical Approx. 45° Horizontal Approx.60°(no lens) Approx.30°(with lens)Power Supply DC6.5-16.8 VPower9 WLasting illumination Approx.1550 min (230wh / 14.8V) Approx.350 min (50wh / 7.3V)Interface TapD tap power plugDimmer10% 100%Operating temperature0to+40°C (+32 to +104°F)Storage temperature-20to+60°C(-4to + 140°F)Net Weight280gSize(w/h/d)98 x 80 x 128 mmFeatures1.Analog circuit 2.Long life,can be used come to 10,000 hours. 3.Compatible with batteries of Sony series, NP-F970/770 & HUALIN series,HL-66S,HL-78S,HL-88S,108S.