- Power 6V charging time AAA Alkali batteries (LR6) 4/AA rechargeable nickel hydride batteries (NI-MH) 4 charging time Approximately 2.0 seconds AA -3 -type alkaline batteries, about 1.5 seconds AA rechargeable nickel hydride batteries light emission time about 1/20000 seconds to 1/500 seconds number of issuance Approximately 250 AA -three -type alkaline batteries, approximately 350 times AA/3 -type rechargeable nickel hydrogen batteries (min1900mAh type) AF assisted light Estimated effective distance 1-5m (depending on the type of digital camera used and lens) Flash mode TTL Auto/Auto/Manual/FRP TTL Auto/FP Manual/Sl Manual/RC Guide number 36 (ISO 100:00), 12 (ISO 100, when using wide panel) irradiation angle 12mm to 42mm lens angle of lens (24-85mm in 35mm film camera) (8mm lens when using wide panel (35mm film camera conversion 16mm) Dimensions Width 62.0mm x height 104.0mm x depth 98.0mm (excluding projection) Mass about 376g (including batteries), about 257g (body) Recommended usage temperature 0 ° C to 40 ° C Available relative humidity 10%RH to 80%RH (not condensation)