They deliver 1000 lumens of white LED light with a choice of 9°, 16° or 100° beams, and have anodised aluminium bodies, integrated USB-rechargeable li-ion batteries with gold-plated magnetic charging connections, push-button and tap-adjustable beam outputs, and traffic-light output and battery-status indicators. Depth-rated to 100m, they cost £180 each.
10-Nov-16