Features:
1) Up to 15 lumens output power
2) DC-DC regulated circuit provides maximum light output throughout
the entire battery life
3) Precision machined aircraft grade crush resistant aluminum
4) Low heat  energy efficient durable diodes (LED only)
5) Battery Type: 2 x 3V CR-123A lithium battery (included)
6) Burn Time: 25 hrs
7) Bulb Type: Choice of 5 x 5mm White LED with Class IIIA laser
pointer or 6 x 5mm White LED (chips imported from Taiwan)
8) Accessory: Nylon Pouch
9) Product size: 25 x 116(mm)
10) Product weight: 119g / 99g (with batteries)
11) Outlook Patent No: 033355683.0
12) Function Patent No: 03270537.9