Features: Small and light appearance?∨ it is convenient to carry. Small volume?∨ low power consumption?∨ excellent directivity. With IR function?∨ it is easy to use. It can be used in the field of monitoring?∨ remote control?∨ photoelectric control?∨ target tracking etc. Specifications: Diameter: 8mm Material: GaAsP Forward voltage: 1.5--2V Backward voltage: 5V Forward current: 20mA Wavelength: 850nm Angle: 30 degree Luminous power: 250mw Frequency characteristic: Low frequency Emitted color: Infrared ray Package weight: 7g/0.24oz Package list: 10 * Luminous diode"