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![4/8-Channel Telephone Activated Relay Board](https://images.findtheneedle.co.uk/findtheneedle/products/4698662.jpg)
4/8 channel DTMF telephone activated relay board. Control up to 8 mains rated electrical device simply by calling your phone from any location in the world...
For more information on 4/8-Channel Telephone Activated Relay Board talk to QUASAR ELECTRONICS LIMITED
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