Sentry Card Access Control Systems

Sentry Card Access Control Systems Infra red beams are a safety device that will detect movement by way of a vehicle, person or certain other objects breaking the beam. This will then activate the equipment it is connected to so it will not close, lower etc. these could be used on gates, barriers, doors, driveways, paths or any other area requiring a safety detection device. Or simply used to activate a simple alarm sounder to notify that someone has ie entered the premises.

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