7in TFT Video Intercom Access System Home Security Doorphone with 3 Monitors Features: 1. 7in TFT LCD screen features no radiation, low power consumption, high definition widescreen image. 2. Outdoor machine has automatic opening and closing infrared night vision function. 3. Toughened plexiglass touch button with blue backlight completely waterproof outdoor machine, extend the service life. 4. Ultra-thin indoor machine design, tempered plexiglass panel touch button, with blue backlight and operation with key tone. 5. With speakerphone function, electronic lock opening function and outside monitoring function. 6. Image brightness, chroma and volume can be adjusted according to personal preference. 8. Wall mounted installation is simple and convenient, and can also be installed with an embedded box. Specification: Material: ABS+PMMA Panel Machine Current: Less Than 800mA Call Delay Time: 120s±10% Monitoring Delay Time: 60s±10% Camera Sensor: PC3003 700 Line Lens: 3.6mm 92 Degrees Outdoor Machine with Infrared Night Vision Function Package List: 1 x Outdoor Machine 3 x Indoor Machine 3 x Power Adapter 3 x 5Meters 6-Core Cable 8 x Adapter 3 x Screw Pack 1 x User Manual   Note: 1. For wiring within 30 meters, it is recommended e all-copper super 5 type network cable. 2. Wiring 50-80 meters with 6 core copper cable of 0.5 square. 3. The package provides a 5 m 6 core wire. 4. After receiving the doorbell, please test whether the doorbell works normally with five meters six cores cable.