The Comelit 5801 video door entry monitor has a high quality black and white four inch screen and is easy to install and simple for any user to operate. 

It is fitted as standard with blue door-open pushbutton and two grey pushbuttons for various functions, as well as brightness control and a selector for the call volume which is adjustable to three different positions (high, medium and low).

Features:

• Manufactured from high quality ABS plastic
  
• It can be converted into a desk version using model 5712
  

Technical Data:

• Type of display: 4" CRT
  
• Operational Temperature range: -5 to 55
  

Dimensions:

• 225 x 204 x 63 mm (hwd)