LxWxH: 70x56x37mm. For installing a device from the 61, 62, 64, 81 and 91 series. Base plate for wall mounting with 4 holes for screw mounting, hole spacing 56x40mm. Housing for snapping onto the base plate, with ventilation slots, cable entry and cable strain relief with commercially available cable ties up to 2.6mm. Protection class IP20.