The XL50 from Maglite offers 104 lumens for 8 hours on high setting and 18 on the low setting. Powered by 3 x AAA batteries, there three simple modes of operation. One click gives you high power, two clicks lowers the power to 25% and three clicks gives you an emergency strobe. All of this in a package that weighs a scant 3.68 ounces.