Features: 1. TR series: high performance, high compatibility, high flash output power. 2. 2.9 second overspeed return system. Wireless Trigger, S1, S2 light sensor flash mode. 3. Multi-temperature control structure, play an overheat protection role, the use of more security. 4. Power saving mode: When the flash does not work, the CPU will automatically enter the sleep state, stop working for 30 minutes, and the CPU will automatically turn off. 5. Flash head can be up 90 degrees, down -7 degrees, horizontal right and left rotation 180 degrees, the flash head to the ceiling or wall, so that the picture is more natural, the shadow is lighter. Specification: Brand: TRIOPO Condition: 100% Brand New Material: Plastic Model: TR-960II Circuit design: IGBT Flash index: 54 (ISO100,180mm) Flash coverage: 18-180mm manual zoom, flash head rotation (reflection flash) Flash mode: manual mode M, light flash mode S1, light flash mode S2, strobe mode Multi Wireless Trigger: Wireless S1/ S2 light induction flash Wireless flash distance: indoor 20-30 meters, outdoor 10-15 meters On-line rotation angle: -7 ~ 90 degrees Left and right rotation angle: 0 ~ 180 degrees Color temperature: 5500K Flash time: 1/200 seconds-1/20000 seconds Flash control: 1/128-1/1 step 0.3 EV, a total of 22 micro-shift position External interface: hot shoes, PC synchronous jack, external power jack Return time: 2.9 seconds Power supply: 4 x AA alkaline batteries or Ni-MH (NI-MH) batteries (not included) Luminescence times:100-1500 Additional functions: PC synchronization, power saving mode, overheating protection Package Size: Approx. 10 x 8 x 23.5cm / 3.9 x 3.1 x 9.3inch Weight: Approx. 523.8g Package List: 1 x Flash Light 1 x Bag 1 x User Manual 1 x Base 1 x Soft Box