With 7 inch Wired Video Door Phone System, Visitor Can Use Call Panel Calls, Then You Use Indoor Monitor Unlocking, Monitoring Compatible with DC 12V Electric Lock (not included). Support Visual Intercom：It Supports Communication Between Indoor Monitor And Outdoor Camera, But Also Supports Communication Between Monitor And Monitor. Rainproof Design：Can Be Installed Outdoors, Do Not Worry About Being Drenched By Rain. It Also Can Work Well Even In Bad Weather. IR Night View：IR LED Offset Lighting Can Obtain Better Evening Viewing, It Helps You Identify The Visitors Even In The Dark Night. Features: *Consist of 1*7 inch indoor monitor + 1*infrared outdoor camera. *Clear image display with LCD screen and color CMOS. *Support visual intercom, unlock, IR night view and rainproof. *Intercom/ring volume, brightness and contrast adjustable. *Compatible with electric lock (not included). Monitor Specifications: Display: 7 inch TFT LCD screen Connection Cable Length: 5M Material: ABS plastic Monitor Size: 22.9*16.2*3.3cm Monitor Weight: 418g Camera Specifications: Light Sensor: Built-in Mini Illumination: 0 lux (IR on) Waterproof: Support Material: Aluminum alloy Shell Material: ABS plastic Package Information: Package Size: 26.9*18.6*11cm / 10.59*7.32*4.33in Package Weight: 1151g / 2.54lb Package List: 1 * Outdoor Camera 1 * Indoor Monitor 1 * Power Supply 1 * Bag of Screws 1 * User Manual (English) Some Accessories