Feature:1. Ajustable Monitor: Ultra thin design for high definition color indoor 7in monitor, volume, melody, brightness and color adjustable.2. Excellent Performance: Outdoor doorbell with a rain shield, weatherproof, moistureproof, antioxidant. Stainless steel electric strike is rustproof, sturdy and durable.3. Multi Function: Video intercom has monitoring, call, unlock, do not disturb and group call functions, connected by BUS 2 wire system.4. Easy Communication: Video intercom system incorporates night vision camera and doorbell with LED display monitor for easy communication.5. Widely Use: Video doorbell kit can be used in apartments, villas, hotels, offices, public buildings, etc.Specification:Item Type: Video IntercomMaterial: Aluminum alloy /ABS/ stainless steelPurpose: Can be used for apartment, villa, hotel, office, public buildings visual doorbellOutdoor Doorbell:Wiring System: BUS 2-wireCamera: CVBS 1000TVLLED: White LEDPower: Standby 0.1WEffective Distance: Approx.100m/328.08ft (2 x 0.75mm)Angle: 92 Operating Temperature: -20 - +60Indoor Monitor:Wiring System: BUS 2-wireScreen Resolution: 1024 x 600Effective Area: 154.08(H) x 86.58(V) 7inPower Consumption: Standby 0.5WCall Delay: 120s10%Monitoring Delay: 60s10%Operating Temperature: -20 - +60BUS Power Supply:Input Voltage: AC 100-240VACOutput Voltage: DC24V/2.5AElectric Strike:Size: Length: Approx. 150mm//5.91inWidth: Approx. 39.5mm/1.56inHeight: Approx. 31mm/1.22inVoltage: 12 VDCCurrent: 450mA unlocking200mA locking.Package List:1 x Outdoor Doorbell2 x Monitor1 x BUS Power Supply1 x 2p Leadwire8 x Screw8 x Expansion Tube2 x Screen Bracket2 x Screen Hanging Board1 x 4P Terminal1 x 3P Terminal2 x 2P Terminal1 x Instructions1 x Electric Strike2 x Electric Strike Screw1 x Diode1 x Lock Drawing1 x Switch2 x Switch ScrewNote:(1) The machine should be placed in a firm, wellventilated, dry and sundry place. Avoid direct sunlight, no strong magnetic field and dust.(2) Do not use chemicals to clean the surface; Clean, use a soft dry cloth.(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.