Features
1. 2.9 seconds high speed recycle time and support LED assist lamp, not let you miss very weonderful moment
2. Multiple flash mode: TTL auto flash for convenient operation as normal auta exposure, multi flash mode and rear curtain sync for shooting a moving object
3. Flash with adjustable 8 grades flash brightness, design for a complete picture with paticular subject and accurate exposure
4. Dot-matrix LCD display with backlight mode, can achieve easy adjustment for clear night photography
5. Compatible with Canon Reble (T5i, T4i, T3i, T2i), EOS 700D / 650D / 600D / 550D / 70D / 60D / 7D, 18-135mm EF-S IS STM, EF-S 17-85mm f/4-5.6 IS USM lenses.

Specifications
1. Model: TR-15EX
2. Camera type: For Canon camera: E-TTL
3. Power supply: 4 x AA size Batteris(Alkaline or Ni-MH Batteries, not included)
4. Guide No. ((ISO 100): GN14
5. Number of flash (full power: 1/1): Approx 450 times
6. M/S1/S2 mode control flash: 1/128~1/1
7. RPT mode control flash: 1/128~1/4
8. High speed sync mode: 1/32~1/1
9. Recycle time: 0.05~2.8s
10. Color temperature: 5600K+/-200K
11. Flash duration: 1/300s - 1/10000s
12. Flash trigger: 3.5mm / PC sync hole, optical control, test key, wireless control plug
13. Illuminance Full LUX: 440LUX (0.5m)