Features:1. The Fresnel lens design has a better focusing effect to make sure that the light is evenly distributed after it is emitted, and there is no difference in the brightness of the four corners.2. The TR-950 flash comes with a light-controlled receiver, which can receive the main light source to trigger the flash at any time, and easily realize the light-controlled flash.3. 2.9 second overspeed return system. Equipped with shutter synchronization function, power saving function and over-heat protection function.4. 3 flash modes switch freely, M/ Multi/ S1/ S2 mode is flexible to choose.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: TRIOPOCondition: 100% Brand NewMaterial: PlasticModel: TR-950Line design: IGBTFlash index: 38 (ISO 100, 35mm)Flash coverage: fixed focus, flash head rotation (reflection flash)Flash mode: manual mode M, light flash mode S1, light flash mode S2, strobe mode MultiWireless Trigger: Wireless S1/ S2 light induction flashWireless flash distance: indoor 20-30 meters, outdoor 10-15 metersOn-line rotation angle: -7 ~ 90 degreesLeft and right rotation angle: 0 ~ 180 degreesColor temperature: 5500KFlash time: 1/200 seconds-1/20000 secondsFlash control: 1/128-1/1 step 0.3 EV, a total of 22 micro-shift positionExternal interface: hot boots, PC synchronous jack, external power jackReturn time: 2.9 secondsPower supply: 4 x alkaline batteries or Ni-MH batteries (not included)Luminescence times: 100-1500Additional functions: PC synchronization, power saving mode, overheating protectionPackage Size: Approx. 10.3 x 8 x 23.5cm / 4.1 x 3.1 x 9.3inchWeight: Approx. 493.7gPackage List:1 x Flash Light1 x Bag1 x Base1 x User Manual1 x Soft Box.