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2100 Series Videos
21000 Series | How to open ports for your 21000 and SN Series Defender Security System for Smartphone Viewing
21000 Series | 5-Step DVR Setup Tutorial Video
21000 Series | 1 Step Remote Viewing
21000 Series | DVR Menu Walkthrough Series
21000 Series FAQs
How do I back up footage from my DVR?
How do I set up email alerts?
What effect does ‘Record Settings’ have on recorded footage?
I can’t log into my DVR