Features:
1) Up to 8 / 12 lumens (3 / 5 LEDs) 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
5) Battery Type: 2 x 1.5V AA alkaline battery (not included)
6) Burn Time: 20 hrs (3 LEDs); 14 hrs (5 LEDs)
7) Bulb Type: 3 x 5mm White LED / 5 x 5mm White LED (chips
imported from Taiwan)
8) Product size: 30 x 138 (mm)
9) Product weight: 104g (with batteries)