The Aiphone JOS-1A 7″ Monitor & Hands-Free Color Video Intercom Set includes the JO-1MD 7” Master Monitor Station with touch buttons and the JO-DA Video Door Station. The JOS-1A runs on the PS-1820UL Power Supply (18VDC). The JOS1 is a Color Video Intercom Kit from Aiphone that includes JO-1MD 7” Master Monitor Station touch buttons and JODA or JODV or JODV video door station. It runs on the PS-1820UL Power Supply (18VDC). In Kit JOS1A:- 1 X JO1MD1 X JODA1X POWER SUPPLY JF2MED:- 1 X JO1MD1 X JODVF1X POWER SUPPLY JF2MED:- 1 X JO1MD1 X JODV1X POWER SUPPLY Features: 7″ LCD monitor station  Touch buttons for system control  Elegant styling to match home or business decors  0.8″ slim design video master  2-conductor wiring  Sleek doorbell/camera unit (vandal-resistant) 0.8″ slim and elegant monitor station with a 7″ screen Switch between hands-free and push-to-talk communication Built-in door-release capability Install the door unit using existing two-conductor door wiring Adjust brightness and other settings Light touch buttons — a light touch is all that’s required to make your selections  Ideal for inside or in quiet areas Answer a call by touching the ‘talk’ button once, and have a two-way video conversation In this mode, you can see and hear who is at the door, but they won’t hear or see you Press the ‘talk’ button to activate the video/audio feed Specifications: Master Monitor Station Power Supply 18 VDC (from the PS-1820UL Power Supply which is sold separately) Power Consumption Standby: 24 mAMaximum: 410 mA Communication Hands-Free: Auto-voice actuationPTT: Press-to-talk, release to listen Screen 7″ color LCD Mounting Wall-mount (fits a 3-gang box, not included) Material Flame-resistant ABS resin Dimensions (H x W x D) 5.1 x 9.0 x 0.8″ (13.0 x 23.0 x 2.1 cm Weight Approximately 16.6 oz (470.0 g)    Video Door Station  Camera 1/4″ color CMOS Ambient Temperature -4 to 140°F (-20 to 60°C) Minimum Illumination Approximately 5 lux at a distance of 19.7″ (50.0 cm) IP Rating IP54 Dimensions (JOS1A | JOS1F | JOS1V)(H x W x D) 5.1 x 3.8 x 1.4″ (12.9 x 9.7 x 3.6 cm) | 8.2 x 5.3 x 1.4″ (20.9 x 13.5 x 3.5 cm) | 5.1 x 3.8 x 1.4″ (12.9 x 9.7 x 3.6 cm) Weight (JOS1A | JOS1F | JOS1V) Approximately 7.0 oz (200.0 g) | 20.4 oz (580.0 g) | 7.1 oz (200 g)