When used in chairman mode, the dcn-dbcm button of the

 chairman's representative machine replaces the single microphone button on the delegate machine. In the auxiliary control mode, these buttons can also be used for the representative machine. Technical specifications mechanical indicators installation card on any type of representative machine color black (RAL 9017) order information dcn-dbcm chairman button (10 sets) new generation DCN system chairman button (10 sets). Order No. dcn-dbcm

Sales telephone (same number of wechat): 13428785305 QQ: 2461903042