Newegg offers the Zmodo 4-Channel 500GB DVR and Four Cameras Surveillance System, model no. KDB4-CARQZ4ZN-5G, for $179.99. Apply coupon code "MASTERPASS23" and check out via MasterPass to cut it to $161.99. With free shipping, that's $8 below our February mention and the lowest total price we could find by $35. It features four 600TVL cameras with 3.6mm wide angle lenses, 500GB hard disk drive, 65-foot night vision, free mobile apps, and BNC and VGA output. Deal ends July 13.