thank you both!
Yes the range should depend on the emitter. I just added the info so everyone knows what im trying to do.
In the datasheet I found the information of 30V used for them. Do any exist that work with ~5Volts?
But unfortunetly for my project I wanna use 2 light barriers in a small desistance from each other. So I am just looking for the sensors.
Thus I though I gonna use IR Laser Pointers, but I saw them damaging things on youtube at focusing point. Is that normal?