Bcomtech 1X7 Inch Indoor Door Phone Monitor and 1XOutdoor Station Doorbell Camera Intercom System Touch Key Night Vision HD 1200TVL Home Security Kit IP65 Rainproof with Rain Cover Indoor Monitor Features:7 Inch,door answering,call transfer,monitoring and unlock, dual-way intercom,photo/video record, up to 32GB SD card supported(Not Included), Outdoor doorbell camera:1200TVL,CMOS sensor,day/night Vision,adjustable volume Support up to 4 Indoor monitor and 2 outdoor camera,2 CCTV camera. The alarm is also compatible. Waterproof level:IP65 There is an about 5 meter extension cable included in the package.