Dahua intercom IP Door Station DHI-VTO6221E-PDahua Door Station VTO6221E P: Small size apartment door station Supplemental lighting with white light 2MP CMOS camera Mechanical button with Braille Aluminium alloy plate, IK08, IP65 (Apply silica gel to gaps between the device and the wall. Liquid sodium silicate is recommended. For details, see the quick start guide.) Door release via password and Mifare card 200Hx98Wx35. 4D (MM)