The JK-1MD Master Monitor Station for JK Series Hands-Free Color Video Intercom System from Aiphone is an open voice, color video master monitor with Pan/Tilt/Zoom controls that allows the connection of one single video door station and an additional sub monitor. The unit features a 3.5" TFT color monitor, talk button for PTT or VOX activated communication, button for Pan/Tilt/Zoom control, call button to call sub monitor, and button for brightness controls.

The unit offers a 170° camera view and gives the user the ability pan, tilt, & zoom the camera to a desired area for a better view of the visitor. It also offers a backlight/night sensitivity adjustment. In low light (night time) and heavy background light (sunny day) situations, the user can press the adjust button to improve the image quality to aid them in identifying the visitor.