Sistema de videoportero de 4,3 pulgadas con diseño de manija, de 2 a 12 unidades, sistema de videoportero bidireccional para seguridad de edificios.

  4.3inch Video Intercom System Handle Design 2-12 Units Video Doorbell Door Phone System Dual-Way Intercom for Building Security >>>Introduction 1 camera and Multi LCD color monitors, supporting 1 building which has Multi households.You can see and hear before you're at the door. 4.3 Inch LCD press key screen,door answering, monitoring and unlock, dual-way intercom Mute door intercom with door dell kits. 16 different kinds of door bells chimes.Volume, brightness and contrast are adjustable. Fashion and nice design,which can also be used a decoration of your house for home improvement. 700TVL CMOS IR night vision high resolution door monitor camera, easy to install,wired connection stability for home security systems. Can be used in apartments, villas, hotels, offices, public buildings.Support video intercom 12 monitors of security & surveillance equipment. Support RFID Function, it can open the lock by RFID Card or RFID Keyfobs. When someone press the call button on outdoor unit, it will active the indoor monitor, monitor will turn on, ring and show the video outside. So you can see who is outside,  Then you can press the response button on monitor to talk with the people outside, unlock the lock and press the response button again to end the conversion. This 2-way communication is an inexpensive and effective way to talk with the stranger at the door without actually opening the door. >>>Specifications  The TFT 4.3 inch digital color LCD screen for monitoring. High-resolution night vision, monitoring, calling, speaking, unlocking, remote controlling. Hand-free intercom munication. Brightness, Chroma, and Volume adjustable. 16-chord melody ring for option. >>>Technical parameter: Indoor Monitor: Display: 4.3 inch TFT LCD screen Resolution: 800 X 480. Input: AC 100-240V 50Hz-60Hz.  Output: DC 15V/1200mA.  Case: ABS Engineering Plastics.  Installation:Surface mounting. Outdoor camera:  Camera resolution: 700Lines.  Camera: 1/3 Color CMOS Camera. Built-in microphone and speaker  Power Adapter: From Monitor, DC15V. Viewing angle: (U/D/L/R, degree): 60/35/70/70.  Connection: 4 cored wire (Up to 12 monitors).  Case: Aluminum material, weatherproof. Support RFID CARD. >>>Standard package  Set A=1pcs 2 Buttons Outdoor Unit+2pcs Indoor Monitor+3pcs Power Adapter Set B=1pcs 3 Buttons Outdoor Unit+3pcs Indoor Monitor+4pcs Power Adapter Set C=1pcs 4 Buttons Outdoor Unit+4pcs Indoor Monitor+5pcs Power Adapter Set D=1pcs 6 Buttons Outdoor Unit+6pcs Indoor Monitor+7pcs Power Adapter Set E=1pcs 8 Buttons Outdoor Unit+8pcs Indoor Monitor+9pcs Power Adapter Set F=1pcs 10 Buttons Outdoor Unit+10pcs Indoor Monitor+11pcs Power Adapter Set G=1pcs 12 Buttons Outdoor Unit+12pcs Indoor Monitor+13pcs Power Adapter Accessories Contents as below: 1 * test connecting cable 1 * Accessory Bag 1 * User manual 5* RFID Keyfobs