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

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.