1. colour video door phone 2. Intercom, Monitor 3. Take photos,SD card 4. 180M, water-proof 5. Desktop colour video door phoneYour ... SD Card for Video and Photos taking, and Support USB 1.1 interface;10. Suitable for single house, office and villa, ... aluminum deck, waterproof functions of outdoor units ParametersModel SY801M21 1 indoor unit+2 outdoor units Typewired type Display7Inch TFT-LCDVideo ...