Infrared Led. Lens Colour : Water Clear. Peak Wave Length (nm) : 850 ~ 980 Forward Voltage (V) : 1.8 ~ 2.2 Reverse Current (uA) : <=30 Usable distance : 20 meter, Life Rating : 100,000 Hours, Viewing Angle 20 ~ 25 Degree, Absolute Maximum Ratings, Max Power Dissipation : 80mw, Max Continuous Forward Current : 30mA, Max Peak Forward Current : 75mA, Reverse Voltage : 5~6V