1The indoor monitor adopts multi-point capacitive touch screen, for Android system, which is stable and easy to operate. 27-inch high-definition digital LCD screen with photo, visitor recording and calendar functions. 3The indoor monitor can be photographed manually or automatically, and supports up to 64G TF card(Not Included). 4With indoor monitoring, intercom, unlock, hands-free, non-interference function. 5Monitor can be connected to a wireless WiFi router. And volume, brightness and color are adjustable.