433MHZ wireless transmission, RT transmitter and 16 channels to triggering
1/300s-1/2000s flash duration, clear and vivid images
3 flash modes: M, S1, and S2 for improved versatility and usability
8 variable flash output from 1/128 to full, meeting your flashlight demands
Multiple auto-self protections for power saving and against overheating
Specification:
Model: TT520II
Guide number: 33 (M ISO 100)
Flash mode: M, S1, S2
Vertical rotation angle: 0-90 degrees
Horizontal rotation angle: 0-270 degrees
Power: 4X AA Batteries (not included)
Lighting times: 100-150 times (AA alkaline batteries used)
Recycle time: approx. 0.1-5s (AA alkaline batteries used)
Color temperature: 5600±200K
Wireless frequency: 433MHz
Channel: 16
Workable distance: 15m
Flash duration: 1/300s-1/20000s
Dimensions: 190x75x55mm
Net weight: 310g
Compatible with: All DSLR cameras with a standard hot shoe, such as Nikon, Canon, Pentax, Olympus, etc. But except for Sony and Minolta, because they use different hot shoes.