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 display Resolution: 800*480 Power Consumption: Standby <0W, Work <2W Power Supply Mode: indoor extension power supply Connection Mode: RVV4 core LED: 4pcs LED Infrared Night Light Supplementary Lamps Optimum Distance for Night: 0.2-1.m Camera Angle: 90 degrees Working Temperature Range: -20-+60 degrees Celsius Host Material: Zinc Alloy Shell + Acrylic Panel Ringtones: 25 chords Installation Mode: paperback installation Water resistant: support Package Weight: 1080g/38.1oz Package List: 1 * 4-core Wire 1 * 2-core Wire 1 * 5-core Wire 1 * Hanging Wall 1 * Test Line 5 * Screws 5 * Expansion Tube 1 * User Manual 1 * Wrench + 1 * Screw .