ThruNite Ti3 Mini EDC Cree XP-G2 LED Flashlight Torch AAA R5 Max 120 lumens (tool)
One AAA battery, and you have light! The handling you have once Duch read and understand, but after that it's easy. What a massive big advantage is still: The on / off is a real, physical separation of the battery: it is * not * run unnotwendige circ