Zmodo Indoor Complete Security Camera System 4 CH H.264 D1 DVR with 4 Weatherproof 600TVL Night Vision High Resolution Surveillance Cameras with 500GB Hard Drive 600TVL High-resolution camera 24 infrared LEDs see up to 80 feet away at night All metal housing cameras for indoor/ outdoor use Instant email notification with motion detection Continuous recording for 16 day onto the 500GB HDD