1、With the adapter and the cable that provided in this kit, it is simple to install by yourself , the outdoor unit can be connected to the indoor monitor with 4P cable. 2、When the indoor monitor is connected to your wireless wifi router, you can connect the mobile phone to the monitor inside, then the mobile phone can also record video or open the door, etc. 3、Widely used, suitable for villa, apartment, houses, hotels, offices and public buildings, etc. 4、The indoor monitor adopt multipoint capacitance touch screen, stable and easy to operate. 5、9in high-definition digital LCD monitor, with photo taking, visitor records and calendar function. 6、The indoor monitor can take the photo manually or automatically, maximum to support the 32G memory card. 7、Indoor monitor with monitor, intercom, unlock, hands-free and do not disturb function, practical to use. 8、The indoor monitor can connect 8 users of mobile phone applications, support for IOS / for Android System, then the mobile phone can view and unlock. 9、The outdoor unit adopts 8in touch screen, high sensitivity. Weatherproof, antioxidant, wear-resistant aluminum panel, with waterproof cover, durable to use. 10、1080P camera, with IR-CUT, provides clear pictures, gives you great using experience. 11、Outdoor unit supports 100pcs face recognition, 100pcs fingerprints, 100pcs palmprints 100pcs IC User card, 100 group passwords indoor monitor and mobile phone application unlock. 1 x Indoor Monitor (Wired Wifi)1 x Outdoor Machine(Face Recognition Camera)1 x 15V 2A Power Supply1 x 12V 3A Access Control Power1 x 4 Core Terminal Cable (5m/16.4ft)5 x IC Card3 x 2 Core Cable2 x 4 Core Cable1 x Mounting Plate1 x Screw Bag1 x Instruction Condition: 100% Brand NewItem Type: Video DoorbellMaterial: Aluminum Alloy + ABSMonitor: (Wired Wifi)Display: 9in (16:9)Resolution: 1024 (H) X 600 (V)Unlock: Support for unlocked by phones and tabletsExtra Memory: Support for extra memory cards (up to 32GB) (Not Included)Touch: YesWifi: YesPower Supply: DC15V 1.2AInstallation: Surface mountSize(LxWxH): Approx. 240 ×140 ×18mm/ 9.4 x 5.5 x 0.7inFace Recognition Camera:Display: 2.8inCamera Sensor: 1/3 inch AHD viewing angle: 92 °Resolution: 1080PNight LED: Infrared LED (80°)Unlock Type: Support 100 face recognition, 100 fingerprints, 100 palmprints, 100 IC user cards, 100 sets of passwordsInstallation: Surface mountSize: Approx. 192 x 93 x 55mm/ 7.6 x 3.7 x 2.2in