・Dimension:
　Bezel diameter 23mm, body diameter 18mm with a total length
　of 165 mm
・Weight: 93 g
・Battery: 2*AA batteries for IFD2
・Effective illumination distance: 220 meters
・Modes: Infinitely variable digitally controlled brightness from 0.5
　to 260 lumens with strobe function
・Waterproofing Standard: IPX-8
　(waterproof for 1 hour at a depth of 1.5 meters)

・Output & Runtime:
　Maximum output of 260 lumens for approximately 40 minute and
　minimum output of 0.5 lumens for approximately 80 hours