Ningbo Joiwo Explosion-proof Science and Technology Co., Ltd. is a leading manufacturer and supplier of high-quality Audio Video Door Phones in China. Our products have been designed for maximum functionality, convenience, and security. Our door phone systems make it easy for users to communicate with visitors, verify their identity, and grant or deny access to their premises. Our Audio Video Door Phones come equipped with a high-resolution camera that offers clear visibility of the visitor's whereabouts. Additionally, it comes with a microphone and a speaker that provide clear audio, ensuring clear communication between the user and the visitor. Our door phone systems are perfect for residential, commercial, and industrial use. As a factory that is dedicated to offering high-quality products to our customers, we take pride in our product's durability and reliability. Our product is built using high-grade materials to ensure our customers' safety and security. Our team of experts is always available to offer technical support and guidance on the installation or maintenance of our products. In conclusion, if you are looking for a reliable and high-quality Audio Video Door Phone system, do not hesitate to contact Ningbo Joiwo Explosion-proof Science and Technology Co., Ltd. for all of your Audio Video Door Phone needs.