Digital radio speedlite trigger is useful when you want to trigger 4 flashes at one time.
- Operate frequency: 433MHZ
- Sync speed: 1/250s
- Work range: ≤30M
- Screw mount on receiver: 1/4″
- Battery for tramsmitter: 23A-12V mini batter (the battery included)
- Batery for receiver: 2×1.5V AAA battery (the batteries not included)
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