At our factory, we produce the Direct-Call Video Doorphone Outdoor Unit Model JSL27. This product is designed to provide an excellent communication solution between the visitor and the resident. The outdoor unit incorporates a high-quality camera with night vision and a built-in microphone and speaker for two-way communication. The device also comes with a built-in door release function, allowing the homeowner to easily unlock the door from the indoor unit. With durable construction and a sleek design, this reliable product is suitable for any residential or commercial property.