Features
    • Nichia 219C LED, max output up to 230 lumens, max runtime up to 193 hours.
    • High CRI (color rendering index) LED, CRI≥90, (5000K), simulate natural lighting.
    • 2 AAA batteries, easy to power.
    • PMMA optical lens, 92% light transmission.
    • Professional lens system design, soft even spot without dark area to avoid mistakes in exams.
    • Zero blue ray damage (RG0) to the eyes, perfectly suited for pupil examination.
    • Streamlined pen design, lightweight, stylish, easy to carry.
    • Stainless steel clip on aluminum flashlight tube with excellent grip texture.
    • Mode Memery, the last mode will be automatically entered into when turning on after 3 seconds of powering off.
    • Reverse polarity protection to prevent circuit damage from reversed  battery insertion.
    • Aerospace Aluminum alloy body and Mil-spec hard anodizing(HA III); abrasion resistant, lightweight and robust.
    • Stainless steel bezel design protects the lens and reflector system from  drops and impacts.

Specifications
    • Features Nichia 219C LED, 5000K, 50,000 hours lifetime
    • 3 light levels
    • Batteries: 2 AAA alkaline or NI-MH batteries (can’t use 10440 Li-ionbatteries)
    • Size: 133mm（Length）*14.2mm（bezel）*12.9mm（body diameter）
    • Net weight: 26g（without batteries）
    • Working voltage: 1.8-3.3V
    • Lens: PMMA optical material, with light transmittance up to 92% light transmission
    • Color: Black
    • Accessories: O ring