20pcs/lot SFH4501 Infrared Transmitter Transmitter 5mm Wavelength 950nm Angle ±7° Osram OSRAM
https://www.vogueparade.com/shopping/EN/150412/1/1005003420949030/20pcslot-sfh4501-infrared-transmitter-transmitter-5mm-wavelength-950nm-angle-7-osram-osram//