Act as a senior product designer with 10 years of experience in smart home technology. Design a high-end smart doorbell that specializes in package detection for [urban homeowners], [frequent online shoppers], and [security-conscious users]. The doorbell should feature [4K HDR video], [AI-powered package recognition], and [real-time alerts] to distinguish between deliveries, visitors, and potential threats. Include customizable [voice responses], [solar-powered charging], and [local storage options] for privacy-focused users. The design must be sleek, weather-resistant, and blend seamlessly with [modern home exteriors]. Highlight how the product solves [porch piracy], [missed deliveries], and [unauthorized access] while maintaining a user-friendly interface. Provide detailed visual mockups showcasing the doorbell’s [LED notification ring], [wide-angle lens], and [modular mounting system].