Bisun - making a range of LED lighting systems for cavers.
Complete twin-beam caving lights and drop-in upgrades.
Bright spot beams for Duos. Dive and Photo lighting.

Flexitwin V5 power levels

Power consumption for normal output modes.

Figures for 'economy' modes are 2/3 of these.

Extra-low Low      Medium High    Boost  
Standard range 22mA 55mA 140mA 360mA N/A
High range 26mA 80mA 230mA 700mA N/A
Boost range 22mA 55mA 140mA 360mA 700/1000mA*

Approximate total light output in lumens.

Extra-low Low      Medium High    Boost  
Standard range 11lm 20lm 72lm 180lm N/A
High range 12lm 39lm 120lm 360lm N/A
Boost range 11lm 20lm 72lm 180lm 360/500lm*
(*For boost mode, the lower figures are for the beam blends other then the 50:50 spot:flood one, the higher figures for the 50:50 blend)