1、MULTI FUNCTION: Wired video intercom system with multi point capacitive touch screen, stable and easy to operate. 7in HD digital LCD monitor with photo, video, visitor record, motion detection and calendar functions. Indoor display can take photos manually or automatically, message function, ringback tone. 2、MULTI LANGUAGE SUPPORT: Wired video doorbell with monitoring, intercom, unlocking, photo or video playback. Adjustable volume, brightness, contrast and color, latching delay adjustment, multi language OSD menu, the system supports 6 different languages: English, Russian, French, Spanish, German and Simplified Chinese. 3、APP SUPPORT: Wired video door phone can support connection to 5 mobile APP users, the phone can be monitored and unlocked, it can also support communication between visitors and for Tuya Smart APP, which means you can talk to them anytime, anywhere. 4、WiFi SUPPORT: Wired visual doorbell can be connected to wireless WiFi or wired router. Manual photo, video and unlock functions are available on the mobile app. Outdoor anti with rain cover, wall mounting is more convenient. 5、IR CAMERA: Doorbell intercom system uses support for AHD and CVBS cameras with IR CUT with vivid colors. Can be directly electric lock, with unlock delay setting. Equipped with power supply and terminal cable, users can install it by themselves. Can support 1 tow 1‑6 and 2 tow 1‑6, and independent one to one call intercom between the indoor units. 6、ACCESS CONTROL FUNCTION: Security video doorbell can be directly connected to outdoor unit by 4 core wire. The outdoor unit has 4 optional functions: ordinary, RFID password swipe card access control, fingerprint access control and face access control. 7、FINGERPRINT RECOGNITION: Home intercom doorbell support 2000 ID user cards with password and remote control to open the lock, support 1000 fingerprints with 1000 IC user cards with password, support 100 users 3D live face recognition unlock, 100 users fingerprint recognition unlock, 100 users palmprint recognition unlock, 100 users IC card recognition unlock, 100 users password recognition unlock. Item Type: Wired Video Intercom System Material: ABS, Metal Remote Control Built in Button Battery: 2 x CR2016 (75mAh) Display: Size: 7 Inch IPS (16:9) Resolution: 1024 (H) x 600 (V) Unlock: Support Phone and Tablet Unlock Extra Memory: Support Extra Small Memory Card (up to 32GB, Not Included) Touch: Yes WiFi: Yes RJ45: Yes Power Supply: DC15V Installation: Surface Mount Camera: Camera Sensor: 1/3 Inch Viewing Angle: 92 Degrees Camera: AHD, CVBS Night LED: 850nm IR LED Rainproof, Dustproof, breakage Proof Mounting: Surface 1 x Indoor Monitor 1 x Camera 1 x Power Cord 1 x 4 Pole Terminal Cable 1 x RJ45 Terminal Cable 5 x Unlock Terminal Line 8 x Screws 8 x Screw Expansion Tube 2 x Instruction Manual 5 x Access Control Card 1 x Access Control Power Adapter 1 x Remote Control