Instruction:

120W portable strobe light is a quality strobe light with an exceptional value for       commercial studios, location photographers, photo schools, students and amateurs as well.  As the up-graded 110W portable strobe light, 120W portable strobe light not    only remains all of the fundamental designs for 110W portable strobe light (i.e. color-temperature         corrected circle flash-tube, fixed reflector and power cable, remote sensor/slave,       built-in umbrella holder, and angle-adjustable fixture), but also includes some          professional functions such as continuous power adjustor with fine-setting clutches,    dual-locking stand adapter .  It features with stable color temperature (5600K), large  lighting-coverage and even lighting effect.

Specification
Power Input                    : AC110-130 volt, 60 Hz or AC200-240 volt, 50 Hz
Flash Power                    : 120ws (joule) in full
Guide No.                        : 105ft/32m ISO100
Color Temperature          : 5600K
Flash-tube Lifetime          : over 8,000 typical flashing
Power Setting                  : 1/16 to full continuously
Recharge Time                 : 0.5-3 seconds in full
Flashing Duration             : 1/600 sec. @t=0.1; 1/1000 sec. @t=0.5
Slave Effectiveness          : 10m; 35ft
Lighting Range                 : 55 degree
Modeling Power               : Halogen 75w
Bulb Base                         : E-14 screw
Synch Voltage                  : 5volt
Fuse                                 : 5A
Dimension                        : f4"¡Á7" (f100mm¡Á180mm)
Weight                             : 1.7Lb (750g)