Door Station 2 : Button Metal : Flush It Cooperates with the Home Station : DP-SS Dimensions of the Flush-Mounted Box 2 38 /1 21 / 37 (height / width / depth) mm Dimensions Surface Mounting Box 2 48 /1 30 /1 0 (height / width / depth) mm Panel Color : Silver Recommend the use of Shell OS-6 (n, p)