Lorex QLR464 4-Channel PCI DVR Card with 4 Indoor/Outdoor Night Vision Security Camera (Black) 4 High Resolution security cameras with 450 TV lines and 3.6mm lens, rated IP66 for indoor or outdoor weatherproof placement 18 IR LED's provide up to 50ft Night Vision (black and white picture illumination under zero light conditions) Real-time recording at 120 frames per second with motion detection, scheduled or continuous recording options Video search modes: Date, time, channel, or event Requires Intel Pentium 4, 3.0Ghz & above, 1GB of RAM, 250GB SATA hard drive, 64MB video card, Windows 7/Vista (32-bit), XP