Introducing our advanced and innovative 2.8″ SIP Video Door Phone Mechanical Pushbutton Model I9! As a factory committed to excellence, we take pride in manufacturing cutting-edge security products. This video door phone incorporates a 2.8" LCD screen that allows clear and real-time monitoring of your doorstep. With its mechanical pushbutton feature, you can easily operate and control access to your premises. Our skilled team ensures that the Model I9 is built with high-quality materials, making it durable and long-lasting. Experience utmost convenience and security with our factory-made 2.8″ SIP Video Door Phone Mechanical Pushbutton Model I9!