• 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.