Features • Three-In-One functions: Self-defense, Writing, and Illumination. • Titanium Version: Titanium alloy, CNC precision machining. Lightweight and robust, corrosion resistant with excellent heat dissipation. • Tungsten alloy hardened strike bezel for special applications: i.e.Emergency Escape, Self-defense, or Tactical Strike. • Special Schmidt P950M refill tested in extreme environments, compatible with Fisher pen refill. • Features CREE XP-G3 LED, max output up to 130 lumens. • Rechargeable 10180 Li-ion battery included. • Extremely fast charging. Only 45 minutes for a full charge. • Professional optical lens design, evenly lit flood light with soft beam. • Dual mode, easy to use for daily tasks. • IPX8 (2 meters underwater),1.5 meters impact resistance, suitable for all scenarios.Specifications • LED: CREE XP-G3 LED, up to 50000 hours lifetime. • Modes: Two Lighting Levels. • Working Voltage: 2.7V-4.2V. • Compatible Battery: 1 x 10180 Li-ion battery. • Reflector: TIR Lens. • Switch Type: Rotary Switch (Keep turning to change level (L -> H). • Dimension: (Head) 12mm(0.47â€) x (Body)15mm (0.59â€)×(Overall Length) 151mm (5.94â€). • Weight: 46g / 1.62oz(with battery and pen refill). • Material: Titanium Body. • Waterproof: IPX8(underwater 2 meters). • Impact resistance: 1.5meter. • Accessories Included: 2 x Spare O-Rings, 1 x Micro-USB Cable, 1 x 10180 Li-ion Battery, 1 x German Schmidt P950M.