Zmodo 4Channel D1 DVR Security Camera System w/ 4 outdoor Day/Night 600TVL Hi-Resolution cctv Surveillance Cameras NO Hard Drive (4CH - 4 Cameras) 600TVL High-resolution camera 12 infrared LED lights up to 50 feet away at night Weatherproof housing cameras for indoor/ outdoor use Receive email alerts with photo motion is detected View anytime, anywhere via internet, smartphone, and tablet