Introducing the revolutionary 2.8" Digital Video Doorphone Outdoor Unit Model B9! As a factory, we take immense pride in producing this exceptional product. Boasting a sleek design and cutting-edge technology, this unit showcases a vibrant 2.8" display that provides crystal clear visuals. Enhanced with advanced features, it enables seamless two-way communication, allowing you to interact with your visitors conveniently. Its durability ensures long-lasting performance, providing comprehensive security. Experience peace of mind with our factory-produced 2.8" Digital Video Doorphone Outdoor Unit Model B9!