230 Lumens Nichia 219C LED 3 Modes Waterproof Pen light

    ◎ Nichia 219C LED, 5000K, 50,000 hours lifetime
     ◎ High CRI (color rendering index) LED, CRI≥90, (5000K), simulate natural lighting.
     ◎ PMMA optical lens, with light transmittance up to 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.
     ◎ 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.
     ◎ Memery Mode,the last mode will be automatically entered into when turning on.

Led: Nichia 219C LED,5000K,230lumen 
Batteries: 2 AAA alkaline or NI-MH batteries (do not use 10440 Li-ionbatteries)
Working voltage: 1.8-3.3V
Material: aircraft-grade aluminum with premium type hard anodized anti-abrasive finish 
Lens: PMMA optical material, with light transmittance up to 92% light transmission
Size: 133mm Length*14.2mm bezel*12.9mm body diameter 5.23 * 0.55 * 0.51inches 
Net weight:0.91 Oz / 26g without batteries
Peak Beam Intensity: 1059cd 
Beam Distance: 65M / 197ft
Impact Resistance: 1.5M 
How it works?
1.Depress the tail push button switch to turn on/off the light. 
2.Depress the push button completely to turn on the flashlight,
3.The light will stay on until the click button is depressed to turn off.
4.Continuous Lighting Operation: Output Selecting: There are 3 types of output. 
Lightly depress the tail switch within 3 seconds to change the modes(High mid Low).