Door Entry Systems by DoorKing
DoorKing telephone entry systems are  
the standard by which all others  
measure themselves. Why install  
something less than a DoorKing when  
reliability and durability count.
Phone (951) 264-0850 Ca. License 992663
Copyright © 2013 - 2022 Richard M. Greene Co. (RMG-IT) All rights reserved
Fully self contained keypads and card  
readers can make your access issues  
go away.
We can provide and install simple  
DoorKing access system on your door  
or gate in a few hours.

Call for your free estimate!
(951) 264-0850
8mp TVI cameras are here!

Save Thousands of dollars by  
keeping your existing wiring  
and just replacing your cameras  
and recorders for an  
unbelievable picture quality  
Pictures so detailed you can  
often get clear usable faces and  
license plates at 40ft plus.
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2540 Country Hills Rd. Suite #150 | Brea, California  U.S.A. 92821 | RMG@RMG-IT.COM  | Tel: 1-951-264-0850