Battery type: 3 x AAA
Light source: LED
Length: 57mm
Weight (inc. batteries): 130g
Includes batteries: Yes
Features: Multiple light modes, pivoting head, night vision red LED, strap included, weather resistant casings, low battery warning 

ANSI Specifications  

Light output (lumens): 100 (high) 40 (low)
Beam distance: 71 metres (high) 49 metres (low)
Beam intensity (candelas): 1250 (high) 591 (low)
Run time: 3.45 hours (high) 12 hours (low)