Vishay TSSP98038, 38kHz IR Receiver, 950nm, 8m Range

The Vishay IR Receiver Module is a compact infrared detector module for presence, proximity or light curtain applications. It provides an active low output in response to infrared bursts at 940 nm. The frequency of the burst should correspond to the carrier frequency.

Presence sensor up to 2 m distance
Light barrier up to 12 m distance
Fast proximity up to 2 m range at 5 ms response time