Security Labs SLM463 8-channel 1TB System with 18.5" Monitor: * 8 channels * 1TB hard drive, expandable up to 2TB * Includes eight 600 TVL cameras with high-contrast ratio and low-power consumption * 18.5" widescreen LED monitor * 3G/4G smartphone monitoring, email and SMW text messaging with an image, plus free mobile apps * 130-point grid video motion detection per channel * 8 alarm inputs, compatible with Tempal Video Temperature Display and alert accessory