With the adapters and cables we offer in this kit, you can easily install them, and the outdoor unit can be connected to the indoor monitor via a wired 4P cable. When the indoor monitor is connected to your wireless wifi router, you can connect your phone to the indoor monitor, and then the phone can also record video or open the door, which is widely used in villas, apartments, houses, hotels, office buildings, public buildings, etc. Features: The indoor monitor adopts multi-point capacitive touch screen, for Android system, which is stable and easy to operate. 7-inch high-definition digital LCD screen with photo, visitor recording and calendar functions. The indoor monitor can be photographed manually or automatically, and supports up to 64G TF card(Not Included). With indoor monitoring, intercom, unlock, hands-free, non-interference function. The monitor supports connecting 8 mobile APP users, supports for IOS/Android system mobile phones, and the mobile phone can view and unlock. Monitor can be connected to a wireless WiFi router. And volume, brightness and color are adjustable. Mobile APP has monitoring, intercom, photographing, video recording and manual unlocking functions. Specification: Condition: 100% Brand New Material: ABS+PMMA Color: Black Voltage: 110-240V Plug: US, UK, EU, AU (Optional) Display: 7 "TFT LCD (16:9) Resolution: 1024*600 (H) (V) Outdoor Unit: Camera: 1/3" CMOS 1000TVL Illumination: 0.5Lux Video output: 1 vp-p / 75 Installation: wall-mounted Working temperature: -20C ~ 50C Size: approx. 15*10*5cm/5.9*3.9*2in Package List: 1 * Monitor 1 * Outdoor Unit 1 * Power Adapter 1 * 4-core Cable (5 Meter) 5 * Adapter Cable 1 * Pack of Screw 1 * User Manual Package List 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.