Up to 4 cameras with 720P real time preview | H.264 dual-stream video compression | All Channel 720P real-time record | HDMI / VGA simultaneous video output
The SpectrAlert Advance P4WK is a white, four-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.