Features: *Equipped with 7-inch high resolution color screen and the camera is 1000TVL, which will enable you to see clearly who is at the door. *Supports two-way audio. The camera mounted at the outside of the door allows you to talk with the people outside the door. *This item contains 1 outdoor unit and 1 indoor unit. The outdoor unit can connect to multiple monitors (1 to 1 - 6), and it can also drag two outdoor to more indoor units (2 to 1 - 6). *Night vision design makes you see clearly at night. The outdoor camera has 4pcs 850 nanometer IR LED and IR sensor, and the IR sensor will turn on the IR LED automatically at night. *This door phone system can be widely used in villa, office, private house, and other place needs intercom. It is not only a intercom system, but also a home security system. *Both of the outdoor unit and indoor unit have good appearance and modern design, which can also be used as decoration of your house. It is a good choice for your home security. Indoor Unit Specifications: Material: Plastic body + Metal panel Installation Methods: Hanging installation Indoor Unit Screen Size: 7-inch Pixels: 960*480p Viewing Angle: 65/65/40/65 Brightness: 250cd/m2 Definition: 1000TVL Power Consumption: 8W Delay Calling Time: 120s Delay Monitoring Time: 60s Valid Distance: 50m (4*0.65mm) Transmitting Distance of The Image: About 200m Working Temperature: -10~+50 Storage Temperature: -20~+60 Indoor Unit Size: 22.5*12.8*1.9cm/8.85*4.92*0.74in Outdoor Unit Specifications: Outdoor Style: M Material: Plastic Cover + Metal body Installation Methods: Hanging installation Camera Type: CMOS PAL: 628*582 NTSC: 510*492 Power Consumption: 4W Focus (mm): 3.6mm Viewing Angle: 92 degree Working Temperature: -10~+50 Storage Temperature: -20~+60 Outdoor Unit Size: 12.6*5.1*4.4cm/4.96*2.00*1.73in Others: Brand Name: OWSOO Power Supply: AC 100-240V, DC 15V / 2A Color: Black & Silver Package Size: 28.4 * 18.3 * 11.8cm / 11.18 * 7.20 * 4.64in Package Weight: 1154g / 40.70oz Package List: 1 * 7-inch Touch Screen 1 * Outdoor Camera 1 * Power Adapter 1 * Mounting Plate 1 * 5m 4-core Connection Cable 2 * 4-core Connection Cable 1 * 2-core Connection Cable 1 * Screw Bag 1 * English User Manual