or alternatively, arrange a call back..
CVK8K-S 1 Way Colour Video Kit Surface
CVK8K-S 1 WAY COLOUR VIDEO KIT SURFACE DESCRIPTION
1 Button colour video kit including a surface mount door panel [Dimensions: 140mm(W), 209mm(H), 62mm(D)] with call button and name plate, colour camera c/w illumination. A 24Vac DIN box transformer and a wall mountable video handset with LCD screen, electronic call tone, camera recall facility, door release facility and three service buttons.