Surface audio entry kit with codelock based on the 4000 Series modular design incorporating two way speech, electronic call tone and lock release facility. 1 button kit with back lit nameplate in a stainless steel finish with codelock. Kit also includes a 13VAC PSU (321) and wall mount 3011 audiophone with 3 level call tone switch and lock release button. A 4800M programmable codelock with 2 relays (1 code per relay, 3–6 digits long) and 2 exit button inputs for each relay is also included.
1 button 4000 Series Audio Kit (surface) with codelock