Falcon Eyes Infrared Flash Trigger TR-1 This wireless TR-I flash trigger gives you the flexibility you need in the studio. No more obstructive synchro cables! The infrared transmitter has the same function as a remote control on the TV, only the signal at the transmitter is much stronger. The TR-I is an affordable solution for taking photos wirelessly. The Falcon Eyes TR-I is suitable for all cameras with X-contact hot shoe (X-contact) and studio flashes with built-in slave. Attention: Suitable for all cameras except Sony / Minolta (for these cameras you need the HS-25SA, see relevant products). Box contents: infrared flash trigger cable X-contact (32 cm) Note: Falcon Eyes range: +/- 25 metres distance signal: infrared transmitter battery: 2 x AA battery (not included) power supply receiver: battery connection transmitter: hot shoe or X-contact signal: infrared/slave