Battery Type 1 x 1.5v “AA” Size ALKALINE Battery (Included)
Lasts up to 24 hours on one Alkaline battery (Maximum Output: 5.5 hrs) 30 hrs (flashing) 
Bulb Type Nichia RIGEL 0.5W white LED Output Power 20 lumens
Product Size 50 x 51 x 63mm 
Product Weight (80g with battery)
Push button on top to turn on light, push again to flash and again to turn off the light
20 lumens of output power
Up to 24 hrs Continuous Use
Flashing mode for Emergencies
Lightweight / Compact and extremely powerful
Rubberised head with scientific Collimator magnifying optical reflector lens