Q1. What are the key differences between your IP building intercom system and the simulated building intercom system? A: Our IP building intercom system is a networked solution, enabling remote access and management, while the simulated building intercom system offers a cost-effective option without network connectivity. Q2. What options do you provide for customizing software interfaces and protocol ports? A: We provide flexible options for customizing software interfaces and protocol ports to meet specific requirements and integration needs. Q3. Can you provide estimated lead times for different order sizes and product configurations? A: We provide a standard one-year warranty for the visual intercom doorbell system, covering manufacturing defects and malfunctions under normal usage conditions. Q4. What compatibility testing do you perform to ensure your visual intercom doorbells work with existing security setups? A: Our visual intercom doorbell systems undergo extensive compatibility testing to ensure they work seamlessly with various security setups.