Features 1. TR series: High performance, high compatibility, high-power flash output. 2. Increase the external power outlet: TR series adds an external power outlet; call back the higher rate to meet your needs. 3. Quick call back: Full output only 2.9 seconds recycle time, do not apply the new battery can also call back to obtain a rapid rate, only 4-5 seconds. 4. Support high-speed continuous shooting: 116 and below the brightness, TR series to support high-speed continuous shooting 12SEPS. 5. Power-saving mode: When the flash without any action on the backlight turned off after 20 seconds, 60 seconds when the flash does not work, CPU automatically goes to sleep does not work more than 30 minutes, CPU will automatically shut down. 6. High-precision output: From 1128 to 11, 8 stalls to lose, each stall have two fine-tuning compensation. 7. Overheat protection: Built-temperature detection (thermal protection) 8. Support second-curtain sync: Use a slow shutter for making smear subject, the flash will be off the moment the shutter flash spill, this is the rear-curtain sync function. Specifications 1. Guide number: GN35 (35mm focal length ISO100, in meters) 2. Flash mode: MMULTIS1S2 3. Stroboscopic flash: support 1-199Hz 4. Wireless flash: S1, S2 5. Flash time: 1200s-1-20000s 6. Color temperature: 5600K+-100K 7. Manual flash: 8-camera light control (11, 12, 14, 18, 116, 132, 164, 1128) 8. Number of flashes: 100-1500 times (flash output 11-1128, using 2800 mAh battery) 9. Recycle time: 0.1-2.3 seconds (power output 1128-11) 10. Adjustable angle: up and down rotation angle -7 degrees -90 degrees, left and right rotation angle 0-270 degrees 11. Power supply: 4 x AA batteries (not included) 12. Size: 205x75x60mm 13. Weight: 390g Package List 1. Flash x 1 2. Protective bag x 1 3. Micro base x 1