INFO:
A good choice for anyone who needs a compact back-up light without compromising on power. Compact and powerful, this ProTac series flashlight offers one-handed operation of three different user selectable programs and the latest in power LED technology. The combination of small size and output from the LED result in one of the brightest tactical personal carry lights for its size. Powered by one AAA alkaline battery; also accepts one AAA lithium battery (for extended run time).
STREAMLIGHT 88049 ProTac 1AAA 70 Lumen Professional Tactical Flashlight with High/Low/Strobe use 1x AAA alkaline or 1x AAA Li-iON Batteries - 115 Lumens, Black - Amazon.com