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What is the difference between the R20K-2 and standard R20K
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Remotes (Key Fob):
PIN & Mifare Card Access
Wide range of selectable EOL resistor values to suit most alarm panels
Dahua 4 MP Full-Color Network PTZ Camera - SD3A400-GN-A-PV Linux OS What is the difference betweenProduct Overview Every fixed camera has the same limitation: it points where you aimed it, and that is the only place it will ever look. If something happens just outside the frame, you have nothing. The Dahua SD3A400 GN A PV removes that limitation. It is a compact full colour PTZ camera that pans and tilts under your control, so a single unit can cover an entire room, courtyard or forecourt rather than one slice of it. Move it from your phone, set
US$ 102.50
US$ 110.00