Material:  Aluminium Alloy 6061-T6

LED Power Output:  350Lumen

Light source:  3 watts LED

Working voltage:  3V-6V

Led lighting visibility:  200 Meter

Battery: CR2 (2PCS)

Working temperature:  -40℃-----+60℃

Continuous lighting time:  2.5 Hours

Rail Type:  International Standard -picatinny rail
Weight:  79g  
Size (LxWxH): 72.5mm x33mm x31mm