Maratac Back to Basics Flashlight, Aluminum Black, 220 lumens, MAR089

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.

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.