Outer Shell Material: Aluminum 6061-T6

LED Out-put Power: 350lumen

Red LED light power: 50lumen

Red wave:  650 nm

LED Lighting Visibility: 150M

Battery: CR2 (2pcs)

Working Voltage: 3V-8.2V

Rail Type:     International Standard - Picatinny rail

Working Temperature:  -30°C——+55°C

Light source: 3 watts LED

Continuous Combo:    1.5 Hours