The Hikvision DS-KD-ACF1 is a video intercom flush mounting accessory allowing users to mount their video intercom module door station. It comes with a working temperature of -40°C to 60°C, making it perfect for outdoor use. The cover, made of aviation aluminium has dimensions of 134mm(L) x 124mm(W) × 4mm(D) and the gang box made of plastic has dimensions of 134mm(L) x 135mm(W) × 56mm(D).