Colorful Intelligent Home Office Villa Video Doorphone PY-V810MA11

Colorful Intelligent Home Office Villa Video Doorphone PY-V810MA11   Product Discription: 1.4-wire, 7-inch LCD display   
2.Colorful CMOS camera 
3.with 5 meters connection wire
4.with call out, intercom, unlock, monitor function
5.Max Combination: 6 monitors+1 camera,  4 monitors+2 cameras  
6. OSD menu button to adjust brightness,contrast  7.Weight: 1.28KG 8.Dimensions:  10.5*26.5*18.5(cm)   Product Display:     Package includes: 1 * Outdoor camera
1* Indoor monitor
1 * AC adapter
1 * 5m 4-core connection cable 1 * 2-core connection cable
1 * Package of screws
1 * User manual - English