Aluminium rain cover for the aluminium video door phone system external unit. It will protect your external unit from weather and sun glare.
External raincover dimensions: 70mm x 150mm x 205mm
MAX intercom unit dimensions: 65mm x 128mm x 175mm
Primarily designed for the vt581 intercom (160mm*128mm*45mm): http://www.securehomedirect.co.uk/Product-Aluminium-design-external-camera-bell-for-video-door-phone_18.aspx