Features: 1) JH series electronic flash units are streamline designed with appealing and practical model2) Embodies the latest developing trend for the externally connected flash unit3) Its simple function setting and easy operation facilitate effective camera use for photographers4) You can obtain various reflective lights of different angles through the flash head adjustments5) They make your pictures perfect for they get rid of the obvious shadows during shoot6) The automatic light may automatically adjust the Guide Number of the flash unit according to the brightness outside7) The simple flash units can be used as extra light source for small-size cameras as well as in studios for induction purposes8) Guide Number (GN): 249) Angle of illumination: 330?0) Flash duration: 1/800 - 1/100011) Recycle time (S): 3 - 512) Color temperature: 5600oK13) Power: 4AA batteries14) PC cord: Yes15) Weight: 198g16) Dimensions: 165 x 70 x 45mmInner packing: In color boxBox dimensions: 7.3 x 5.3 x 10.7cmOuter packing: In cartonCarton dimensions: 48 x 37 x 38cm100pcs/ctn producing area:China payment:T/T, L/C