Sony FA-WRC1M Speedlight Transmitter

Main Features

• Compatible Cameras – Sony interchangeable-lens digital cameras
• Multi Interface Foot
• Multi/Micro USB
• Sync Terminal
• Two AA-size alkaline or NiMH batteries Power Source
• Operating Time – Approx. 12 hours (with alkaline batteries)
• Dimensions – Approx. W 58.0 x H 65.8 x D 83.7 mm
• WEight – Approx. 93 g (excl. batteries)
• Wireless Channels – 14 (Auto/Manual selectable)
• Radio Communication
• 2.4 GHz band – Frequencies
• 3 Groups (TTL/Manual), 5 groups (Group)
• High-speed Sync (HSS)  Available at all shutter speeds with Sony interchangeable-lens digital cameras that feature the Multi Interface Shoe
• 15 Max Flash Units
• Approx. 30 meters Max. Range
• Operating Modes – Wireless Flash (TTL/Manual/Group), Remote Release
• 25 levels (1/1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256) 1/3 steps Power Level Switching 
• Test Button
• Operating Temperature – ‘0°C ~ +40°C