MARELUX Smart Optical Flash Tube Professional (SOFT Pro) Main Body (Without Dock)

Product features
Enables to narrow down beam coverage simply by attaching in front of strobe.
Length :155mm
Weight :790g (battery weight 25g), In water 210g (with buoyant set 150g)
Waterproof depth : -100m
Focal length (in water) : 150mm
Light spot adjustable range : 3~50mm

Aiming light can be changed between red and white, Adjustable brightness, Aiming light delay off time adjustable

Uses a single 18350 battery which can last for 3 hour