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Pixel TTL Wireless Flash Trigger Set Knight TR-332 for Canon 580EX II 430EX II
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Pixel TTL Wireless Flash Trigger Set Knight TR-332 for Canon 580EX II 430EX II

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The Pixel TR-332 is an advanced high performance wireless flash trigger. Simply attach the transmitter to your camera hot shoe and the receiver to your flash or strobe  and you have a wireless light setup. You can position your light at any angle and distance from your camera for endless creativity. If you would like to fire more than one light at once, simply purchase additional receiver units here.

Supporting a maximum range of 65 meters and shutter speed of up to 1/8000 (depending on sync speed limitation of the camera model), the TR-332 offers high level of performance too.

Fully supports Canon EOS E-TTL / E-TTL II flash mode, you can fire your Canon flash wirelessly in E-TTL automatic output control. Canon 580EX II users can adjust the output power of the flash from the TR-332 transmitter. Power can be adjusted by a total of 23 levels from full power to 1/128.

While the TR-332 supports TTL with Canon flash only, it offers a high degree of compatibility in manual output power mode. With the provided connection cables, photographers can use the receiver with a range of lighting sources including low trigger voltage portable flashes, high trigger voltage portable flashes and studio strobes.


  1. Please turn off the camera and flash before installing the Pixel TR-332.
  2. Tested to support E-TTL with camera and flash models listed in the specifications only.


  • Pixel Knight TR-332 Wireless Flash Trigger Set;
  • Package Includes:
    • Pixel TR-332 TX (Transmitter) x 1;
    • Pixel TR-332 RX (Receiver) x1;
    • User manual in English and Polish x1;
    • CR-2 lithium battery x2 (for testing purposes only);
    • PC sync to 6.3mm cable x1;
    • PC sync to 3.5mm cable x1;
    • Hot shoe protective cover x1;
  • Supports Canon E-TTL flash mode;
  • Supports manual flash output control from the TX, when used with Canon 580EX II and 430EX II flash;
  • Supports TTL with the following Canon EOS cameras: 550D, 500D, 400D, 350D, 50D, 40D, 30D, 20D, 10D, 7D, 5D Mark II, 5D, 1DS MARK II, 1D MARK III,1D MARK II, 1D MARK 11N;
  • Supports TTL with all Canon E-TTL / E-TTL II flash including: Canon 580EX II, 580EX, 430EXII, 430EX, 270 EXII, 220 EXII;
  • Supports a maximum of 5 groups;
  • Compatible to portable flashes and studio strobes in manual power control mode;
  • Working radio frequency: 2.4 GHz;
  • Channel: 15;
  • Power input: CR2 battery (for both transmitter and receiver);
  • Maximum distance: 65 meters;
  • Standby time: 1000 hours for transmitter and 500 hours for receiver;
  • Dimension:
    • Transmitter - 38 x 63 x 31mm;
    • Receiver 38 x 66 x 26mm;
  • Maximum sync speed: Up to 1/8000 second (depending on sync speed limitation of the camera model);
  • Weight (with battery): Transmitter: 45g, Receiver 50g;
  • Brand new, never been used.

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We’re Closing!

Gadget Infinity started almost a decade ago, sourcing the best price-performance photographic and two-way radio gear for fellow photography enthusiasts. It has been a wonderful journey sharing the many location portrait techniques with you on our YouTube channel. Over the years our passion in flash photography grew so much that we ventured into creating our own wireless flash triggering system – Cactus.

Starting next month, we will be putting all of our time and effort into product development at Cactus so we will be closing our operation at Gadget Infinity on August 30, 2016. Rest assured, the 30-day return policy still applies on your orders made on or before the date of our store closure. If you have any questions or concerns, please contact us at service@gadgetinfinity.com.

It will be a good bye but not a sad one as we will still stick around. Come visit us at

Thank you again for your support over the years and best wishes!

From everyone at Gadget Infinity.

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