Can someone please tell me what the difference is between the below two models? Is one a newer model?
http://www.cctvempire.co.uk/DS-7604NI-E1-4P-A
https://www.jmcsecure.co.uk/proddet...-E1-4P&gclid=CO3256WF9coCFe4y0wod1HgO6AThanks
http://www.cctvempire.co.uk/DS-7604NI-E1-4P-A
https://www.jmcsecure.co.uk/proddet...-E1-4P&gclid=CO3256WF9coCFe4y0wod1HgO6AThanks
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