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LED Type:4-chips 850nm LED Voltage :3V/6V/12V Lighitng angle: 60degree Forward Voltage: 1.5-1.7V 1.2A(3V) 3-3.4V 600mA(6V) 6-7V 350mA(12V) Emitter Color:Infared Color temperature:850nm Lens color: water clear PCB board: Diameter 20mm Copper PCB base Certificate: CE&ROSH LifeSpan Time : > 50,000 hours Attention to the heat,working temperature maintained at 50 degrees Celsius or lower as possible Package 1piece 3V/6V/12V 850nm 4-chips Led Emitter on 20mm Copper Star as customer ordered