3Watt / Infra Red / 850 nm / 45mil chips / 120-140 degree Emitting Angle | Input(DC): 400mA-500mA / 1.4V-1.6V | Integrated High Quality,High Brightness Chip on Board | 50000 Hours Life Span (Working Temperature should be less than 60℃(140℉) with a Heat Sink System) | Total Shipping Weight: 0.46oz / 0.013kg (Pack of 10)