Feature: 1. 2 to 1 Video Intercom System: Video intercom doorbell system has 2 doorbell camera and 1pcs 7in video monitor, suitable for 2 door scenarios. 2. High Definition: 7 inch color TFT LCD, radiation free, low power consumption, high resolution, high definition, with white LED night vision lights. 3. High Quality Material: Video door phone is made of high quality ABS and aluminium alloy material, rainproof, oxidation protection, high strength and durable. 4. Multifunction: Video intercom can unlock 2 locks at the same time, hands free intercom, silent indoor intercom function, real time monitoring, adjustable volume, brightness and contrast. 5. Remote APP Unlock: The indoor monitor can be connected to 8 mobile APP users, supporting for IOS for Android phones, and the phone can be recorded and unlocked. Specification: Item Type: Video Door Phone Material: ABS, aluminium alloyPurpose: Can be used for apartment, villa, hotel, office, public buildings visual doorbell Outdoor Camera Night Light: White LED night vision light Camera: 1/3in CMOS 1000TV cable Viewing Angle: 92° Minimum Illumination: 0.5Lux Video Output: 1Vp-p/75Ω Connection Mode: BUS 2 wire system Installation: Wall mounted Operating Temperature: -30°C to 50°C Monitor Display Size: 7in TFT LCD(16:9) Resolution: 1024(H)X600(V) Unlock: Unlock mobile phones and tablets Additional Memory: Support for additional memory cards (up to 64GB) Touch: Yes Wifi: Yes Connection Mode: BUS 2 line Power Supply Parameters:Input Voltage: AC100-240VOutput Voltage: 24V/2.5A . Package List: 2 x Camera1 x Monitor1 x DC24V2.5A Power Supply2 x Terminal Wire For 4 Core Connection Lock3 x 2.54x2P Terminal Wire For 2 Core Connection Lock2 x 2.0x2P Terminal Wire For 2 Core Connection Lock2 x Terminal8 x Bolt8 x Expansion Pipe1 x User Manual Note: (1) The machine should be placed in a strong, well‑ventilated, dry place without direct sunlight, strong magnetic field and dust; (2) Do not use chemicals to clean the surface; A clean, soft, dry cloth can be used for cleaning; (3) Avoid pressing multiple keys at the same time; (4) Outdoor and indoor units should be matched with the designated model, not mixed with other models or products of other companies. (5) Do not open the machine without permission.