Vello FreeWave Fusion Basic User Manual page 27

Receiver
Transmitter
Power 1 × 23A 12 V alkaline battery 2 × AAA alkaline batteries
Battery life (in stand-by mode) 2 years Approximately 300 hours
Range
Flash trigger up to 50´ (15.24 m) / Shutter trigger up to 150´ (45.7 m)
Weight 1.1 oz. (31.18 g) 1.5 oz. (42.52 g)
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