FLASH SALE! 10% Off Everything plus Free Shipping
Use Coupon Code SCKFLASH
Hurry! Sale Ends 6pm Friday
September 27, 2010

DVR and Security Camera Systems

What is the relationship between a DVR and security camera systems? Is DVR necessary in a security camera system? What kinds of DVRs are there? Are there substitutes for DVRs? What is a DVR anyway?