They are not included in the item price.
eBay
It can be DIN mounted or screw fixed on the wall in an electrical cupboard. Mounting: DIN rail. Secondary Output Current: 2.0A. Compatible with GT series panels. Power Source: 230V AC 50/60Hz. Power Consumption: 53.56W.
eBay
Surface mount intercom door station.
eBay
eBay
Aiphone JO-1MD Hands-free Color Video Intercom Master Station Only
eBay
Vintage Aiphone Transistor Intercom Buzzer - Quirky Desktop Item Prop.Model V-AN.Two of the Aiphone are unopened and sealed,I opened other boxes,to see what it is,all are brand new,also came with power supply,which was opened.
eBay
Aiphone Power Supply 2.5A Intercom Power Supply 12V DC 50/60 Hz PS-12C NEW New in box Ships fast
eBay
eBay