Features:7-inch TFT LCD with HD refinition, no radiation, low power consumption, high definition widescreen image.Hands-free intercom function with clear sound, you can talk with the visitor whenever and wherever you are.Electronically controlled unlocking function.There is a function of monitoring outdoor.Image brightness, chromaticity and volume can be adjusted.Aluminum alloy outdoor unit with anti-oxidation and wear-resistant surface treatment.The indoor machine ultra-thin design, aluminum panel, electroplating button, beautiful and full of luxury style.Water resistant outdoor unit, aluminum alloy shell, high durability to withstand various outdoor environments.Wall-mounted installation, simple and convenient.Specifications:Display screen: seven-inch HD liquid crystal displayResolution: 800*480Power Consumption: Standby <0W, Work <2WPower Supply Mode: indoor extension power supplyConnection Mode: RVV4 coreLED: 4pcs LED Infrared Night Light Supplementary LampsOptimum Distance for Night: 0.2-1.mCamera Angle: 90 degreesWorking Temperature Range: -20-+60 degrees CelsiusHost Material: Zinc Alloy Shell + Acrylic PanelRingtones: 25 chordsInstallation Mode: paperback installationWater resistant: supportPackage Weight: 1080g/38.1ozPackage List:1 * 4-core Wire1 * 2-core Wire1 * 5-core Wire1 * Hanging Wall1 * Test Line5 * Screws5 * Expansion Tube1 * User Manual 1 * Wrench + 1 * Screw.