Spesifikasi : -Type: Airborne flash, Non-TTL. -Flash index: 33 (ISO100 in meters/feet). -Flash duration:1/1050s (under output 1/1) -Flash recycling: 0.3-5 sec -Wireless transmission range : Indoors 12-15m/39.4-49.2ft -Outdoors 8-10m/26.2-32.8ft -Reception angle:40 horizontal,30 vertical -External power: CP-E4 -Internal power: 4 x size-AA alkaline batteries *size-AA Ni-MH and lithium batteries also usuable -Size: 76 x 137 x 117mm/3.0 x 5.4 x 4.6 ft -Weight: about 320 grams (only flash, not including the battery) Dalam box : 1 x JY-680A Flash 1 x Cloth bag 1 x Flash stand 1 x User Manual