LED: 6x UHE LEDs with a life cycle of 50,000 hours
Outputs: 8x bright, digitally adjusted outputs and 2 signaling modes
Spot light powers and durations: 8 lumens (200h.) -> 100 lumens (36h.) -> 400 lumens (14h.) -> 1000 lumens (5h.) -> 1600 lumens (3.30h.) -> Beacon -> SOS
Powers and durations auxiliary red light: 5 lumens (95h.) -> 15 lumens (30h.) -> flashing at 15 lumens
Range: up to 157mt.
Peak power: 6170 candelas
Usable batteries: 1x Nitecore 1840 3.6V (included in package), compatible with any 18650 Li-ion with at least 8A discharge capacity
Flashlight dimensions: 80x42x48.5 mm. 
Weight: 140g (with battery, mounting bracket and elastic band)
Lens: optical matrix
Body: aircraft aluminum
Finish: anodized, Type III
Strap: elastic, breathable, adjustable in diameter