B01JNXM8OA Cactus Wireless Flash Transceiver V6 IIs for Sony

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Cactus V6 IIs Transceiver – FS-2 Flash Stand – Album – (AA Batteries Not Included) – Cactus 1 Year Warranty
Working radio frequency: 2.4 GHz
Number of channels: 16
Number of groups: 4
Support sync speed: Up to 1/8,000 second