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Kemo B213 Infrared Light Barrier Kit, 50m Range

Kemo-B213-Infrared-Light-Barrier-Kit-with-50m-Range-Kemo-B213-P-This-solder-yourself-kit-has-a-working-range-of-up-to-50m-made-possible-by-the-special-optical-system-and-highly-sensitive-photo-receiver-The-infra-red-beam-is-invisible-to-human-eyes-and-is-therefore-perfect-for-security-and-surveillance-P-P-When-the-light-beam-between-the-transmitter-and-the-receiver-is-broken-e-g-by-a-person-the-relay-in-the-receiver-operates-and-can-switch-on-whatever-is-connected-to-it-for-examp

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