Video Doorbell Dual Units Apartment Video Intercom System 1 Night Vision Camera 7 Inches Monitor Unlock Dual Way Intercom This 1 outdoor camera and 2 indoor screens visual intercom system is suitable for unit apartments, With 7-inch LCD touch screen, access control response, monitoring unlocking. Features: Clear Visual and Audio Communication: Allows you to see and hear the security monitor and display, ensuring effective communication. Convenient Access Control: With the 7-inch LCD touch screen, you can easily respond to access requests and monitor unlocking. Two-Way Silent Intercom: Two-way silent intercom function, allowing for private and discreet conversations. Easy Installation and Use: Designed for unit apartments, easy to install and operate, providing. Three unlocking methods: Indoor intercom, remote control, App. Specifications: Camera Camera Lens: 1/4 High Clear CMOS Resolution: 800 line llumination: 0.02 LUX Light source: 6pcsIR LED Power supply: From monitor Size: 188*112*32mm / 7.4*4.4*1.3in Weight: 500g / 1.1 lb Power supply Input: AC 110--240V 50/60Hz Output: DC 15V/2A Size: 45x80x52mm / 1.8*3.1*2in 7 Inch Monitor Screen Resolution: 800x480 Power: DC15V/2A Video input: 1Vp-P 75 Ohm Ring music: 16X4 melody Display time: Intercom 60s and monitor 30s Power consumption: Standby 0.2W and working 8W  Connection: 4 wires  Size: 245x150x23mm / 9.6*5.9*0.9in Weight: 369g / 0.8lb Package size: 27*25*12cm / 10.6*9.8*4.7in Package weight: 1400g / 3.1lb Package list: 1* Camera 2* 7 Inch Monitor 5* Wires 2* Power supplies 2* Mounting plates 1* Screw package 1* User manual