... 16CH H.264 real-time DVR 1, Standalone DVR, Network DVR 2, Support Mobile, Alarm, Email 3, Support 2 SATA HDD 4, D1/HD1/CIF 16CH H.264 Real-time DVRNTSC ... /PAL(switchable)Support dual stream network transmissionSupport CIF recording resolution16 Alarm inputs, 1 Alarm output, 2 ... Humidity10% ~ 90%Dimension431 x 395 x 73mm 16CH H.264 real-time DVR Network DVR