Product SKU : AlbaUrmet-M7E43CN 4" Video Phone Systems Support 1 outdoor camera. 9 Differential Ring Tones. Call Time 90s. Feather touch Buttons. Built-in SMPS Power supply Dimensions :(135x206x30)mm. Door Camera Brushed aluminum finish. Sleek Design with back-lit call button. PIN HOLE Wide angle of view. Door Camera Dimensions (WxHxD): (70x154x15)mm. Door Camera Brushed aluminum finish. Sleek Design with back-lit call button. PIN HOLE Wide angle of view. Door Camera Dimensions (WxHxD): (70x154x15)mm.