Klarus Mi10 (85 ANSI lumens AAA battery)

Features:

One of the smallest and brightest AAA flashlights in the world 
Digitally regulated output, with no PWM 
(high speed flickering that is present in most regulated lights)
Highly efficient at converting energy into light
Max output: 85 ANSI Lumens on high. Max run time: 66 hours on low 
Stainless Steel body for corrosion resistance and a solid feel
Reverse polarity protection protects flashlight and battery from damage

Specification:

Emitter: CREE XP-G R5 LED with a lifespan of up to 50,000 hours
Four outputs: 26 lumens (5.7 hours) —— 3 lumens (66 hours) —— 
85 lumens (70 minutes) —— Strobe 85 lumens (2.3 hrs)
Battery: 1 x AAA (Alkaline, Ni-MH). 10440 is not recommended.
Switch: Twist switch. Switch modes by loosening and tightening the flashlight head
Lens: Toughened ultra-clear glass 
Reflector: Textured orange peel reflector 
Body Material: Aluminium 6061 T6
Dimensions: 71.6mm (Length) x 12.7mm (Head) X11.6mm (Body)
Net weight: 10g (Excluding battery)
Waterproof to IPX-8 standard (under water 2 meters)

Operation:

To activate your flashlight, twist the head counter clockwise (tighten the head),
To turn the flashlight off, twist the head clockwise (loosen the head).
Changing brightness levels:
With the flashlight turned on, twist the head of the flashlight to the off position and back to the on position within 1 seconds and the brightness mode will change.