The Manual Flash Trigger from Marelux is a fiber optical flash trigger for underwater housings that translates the electric signal from the camera into light signal. With a long battery life of 10,000 triggers, the flash trigger supports Sony A1, A7SIII, A7RIII, A7RIV, A7IV, A7RV, Canon R5, R5C, R6, R6II cameras.
The trigger uses two standard CR2032 lithium batteries.
UPC: 810164641212