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![Intelligent Melody Activated Access Control Module for Door Bells](https://images.findtheneedle.co.uk/findtheneedle/products/4697945.jpg)
Melody activated access controller for door bell and solenoid lock. Access granted only when correct melody is played on bell push. Records personalised melody. Relay output. Adjustable ON time. Auto-blocking...
For more information on Intelligent Melody Activated Access Control Module for Door Bells talk to QUASAR ELECTRONICS LIMITED
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