Features:
- SmartRing II 'Infinitely Variable' digitally controlled brightness system
- Premium Cree XP-G (R5) LED with a maximum output of 260 lumens
- Made from military grade T6061 aluminum alloy for unprecedented durability
- Mil-Spec type III Hard-Anodized scratch and corrosion resistant finish
- Titanium alloy bezel retaining ring provides protection from impacts
- Stainless steel tailcap retaining ring effectively protects the switch from impacts
- Anti-rolling rugged design
- Durable titanium alloy clip

Specification:
- 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