Based on this product's specifications, here are some alternatives and similar models
Surface mount box Hikvision DS-KD-ACW3
Summary description:
The Hikvision DS-KD-ACW3 is a durable surface mount box designed for easy installation of intercom systems. Made from high-quality aluminum, it measures 107 mm in width, 320.8 mm in depth, and 32.7 mm in height. This accessory ensures a secure and reliable mounting solution for Hikvision products, enhancing the overall functionality and aesthetics of your intercom setup.