Sets contain :- Set 3KC 3KD 4KC 4KD Amplifier 836M 836M 836 836 Codelock 800/2L 800/2L 900/2L 900/2L Housing 882 surface 2 module Handset 3011 3021 Power 321

The 3KC1 intercom set is supplied in a presentation box with full instructions. The wiring diagram shows the intercom and codelock outputs driving a door lock (not included in the set). The 800/2L codelock has two relays, each with programmable codes and on times.