LASER Receiver Module V1.0 – HD Version

From the shop's description

Specification: PCB size: 10.2 x 16.6 mm Working Voltage: 5 Volt DC Output: 4-5 Volt DC On detecting a laser signal, output goes at a high level (5V) until the laser signal is there. NOTE: This sensor is a non-modulator, to be used indoors away from any bright light or direct sunlight.