16-channel 960H/H.264 DVR 3TB hard drive Smartphone viewing, text messaging & email alerts 960H resolution x 16 @ 480ips DVR with 3TB hard drive & expandable up to 6TBHDMI(R), VGA & composite video outputsMobile device/smartphone/4G compatibleFree iPhone(R) & other device appsEmail & text alerts with photo image attachedGrid video motion detection PTZ control8 turret dome cameras are fully adjustable, weatherproof IP66 with 24 IR LEDs 8 bullet cameras have cable secured inside of swivel bracket, weatherproof IP67 with 30 IR LEDs Mouse & IR remote