Camera flash wireless Trigger

Camera flash wireless trigger compatible with Canon, Nikon, Olympus, Sigma and other brand.Main Features: 1. Hotshoe / Hot shoe Flash triggerto work synchronously with DSLR or SLR. 2. Compatible with most of hot shoe type flash, includes canon speedlite serial and Nikon speedlight serial. 3. Multi-channel support available, allows upon 4 trigger units work together without interference. 4. Advance circuit design and comport were adopted in our flash trigger 5. Max 35 Meters Super Long Remote distance for most studios and outdoor photography. 6. Signal Test switch let you know flash trigger work status before take photo. 7. Low power consumption, low maintenance cost and long battery life. 8. Trigger current in only 0.01mAh, no harm to camera. 9. No delay on continuous triggering to suit upon 1/250 shutter speed. 10. Pocket size shape let be easy to take at any time and any where. Specifications: 1. Signal Transmitter power: 23A 12V (mini battery) 2. Signal Receiver Power: 3.0V (2xAAA battery) 3. Max available distance: 35m (open space) 5. Battery life: no less than 12 months 6. Working frequency 433MHZ which is license free frequency in most of the countries, approved under ECC/DEC (04) 02