The world 's smallest, brightest, one-ounce, produced, one LED flashlight ! . The Key-Mate longer and stays brighter. attaches/detaches to just about anything with commodious pocket clip or render ring. Up to 96. time. neck lanyard. O-ring for water-resistance. by 4 alkaline button cells -LRB- included -RRB-. 100,000 Hour lifetime high-intensity with reflector optics. uncommitted in river -LRB- 10 lumens -RRB- or honey oil -LRB- 2.6 lumens -RRB-. 2.36-Inch. in person of colour or titanium with river or honey oil LEDs and Realtree Camo with honey oil LED.