Our new Back-2-Basics simple universal light offers extreme versatility when it comes to both daily use and battery options. This versatile flashlight works seamlessly with a variety of AAA / 10440 size cells from 1.2V - 3.7V. One big feature is how easily it can operated by turning on and off the head to change modes or by using the tail cap exclusively. The clip can be reversed too for easy pocket carry or even on the brim of

Specifications:ƒ
Emitter Cree XP - G2 
IPX8 Waterproof and 5 feet impact resistance guarantee of daily uses or emergency situation.
Glow Diffuser 
Push Button  & Twist On / Off Functionality 

Incredibly Simple One-handed Operation
Click switch ON/OFF, switch between 3 light modes

High: 220 Lumen /  1 Hour
Low: 50 Lumen /  5 hours
Strobe: 220 Lumen / 2 Hours
You will get the same brightness with all the battery choices and the main difference will be the runtime based on the battery capacity 

LED & Modes -- The mini flashlight uses a Super Bright LED and has 3 modes: High, Low, and Strobe.
Power Source -- Runs on all types of AAA battery. Since it's economical and readily accessible, you can use AAA Alkaline battery, AAA Ni-MH battery, or 10440 Li-ion rechargeable battery for K1 keychain flashlight.
Versatile Applications -- EDC, law enforcement, security, emergency, medical services, camping, duty light, and self-defense.
High Quality -- Constructed from aerospace-grade aluminum body with the military-grade hard-anodized anti-abrasive finish.
Compact and Lightweight: The dimension is 2.95 x 0.59 in, and is only .50 oz, making this super bright flashlight convenient to be taken anywhere.