1、Infrared LED night vision can provide better night vision effect. 2、There are 25 ringtones to choose from. 3、Internal communication between monitors is available. 4、You can adjust volume, brightness and contrast. 5、7in color TFT LCD with high definition image and sensitive touch panel has no radiation and low power consumption. 6、Speakerphone and one-touch touch make the experience perfect. 7、Rain shield design, antioxidant outdoor unit, piano paint panel. 8、The indoor and outdoor units are designed with lacquer panel, which is more fashionable and luxurious. 1 x Outdoor Camera 3 x Indoor Display 3 x AC Adapter 3 x 5m/16.4ft 6 Core Connection Cable 1 x 2 Core Connecting Cable 6 x 6 Core Connecting Cable 2 x Screw Packing 1 x User Manual - English Condition: 100% Brand NewItem Type: DoorbellScreen: 7in TFTResolution: 960 x480Camera: 1/3in CMOS 1000 TV CableCamera Lens: 3.6mmCamera Angle: 92 DegreesDuration: 120 SecondsMonitoring Duration: 60 SecondsPower Consumption: Static < 0.5W, Call <10WPower Input: AC 100-240V 50/60 HzPower Output: DC15VEffective Distance: Approx. 200MIndoor Monitor: Approx. 225 x 128 x 20mm/ 8.8 x 5 x 0.7inOutdoor Camera: Approx. 155 x 95 x 55mm/ 6.1 x 3.7 x 2.1in