Usable camera : CANON digital camera

Guide Number : 44m, 145ft. (ISO 100), 62m, 205ft. (ISO 200)
Illumination coverage : 24-105mm (16mm wide angle diffuser)
Turning head : 90 degree upward, 90 degree to left, 180 degree to right
Power source : 4 X AA or equivalent Mi-MH, lithium
Number of flashes : 200-1500 flashes by fresh alkaline batteries
Energy saving system : 2 minutes to stand-by mode, 30 minutes to shut down after the power on or the last use of flash unit
Recycling time : 5 sec., with fresh alkaline batteries.Flash exposure control :
E-TTL and E-TTL II for Canon cameras
Manual(Variable power) :
6 levels : Full – 1/2 – 1/4 – 1/8 – 1/16 – 1/32 powers
Wireless mode :
SD: Slave Digital (with 6 level)
SF: Slave Film (with 6 level)
Wireless TTL remote Channel 1 Group A (Controlled by master flash)
Flash Power Lock:
FE lock (for Canon) / FV lock (for Nikon)
My TTL Setting
AF Assist light : Infrared LED for distance of 0.7 to 6 meter.
Color temperature : 5,600K (same as daylight)
Flash duration : 1/800sec. to 1/20,000sec.
Camera contact : Hotshoe , X-contact, External Synchro socket
Accessories included : Shoe stand, pouch
Dimensions : 74(W) x 134(H) x103(D) mm / 2.9(W) x 5.28(H) x 4.06(D) inches
Weight : 315g (without battery) / 11oz