Features:1) Lens: water clear and blue are available2) Diameter: ?mm3) Radiant intensity (mW/sr) at IF=50mA: min. 304) Viewing angle: ?0?) Peak emission wavelength (nm): 940 (850nm also available)6) Application: optical switches, optical encoders, optical instruments, automatic control apparatus, smoke sensors and photo isolators, ir camera7) RoHS compliant producing area:China payment:T/T, L/C