Many adults over 40 use smart home devices every day without fully understanding what they can do. Voice assistants, smart thermostats, video doorbells, and connected lights are no longer futuristic gadgets — they are practical tools that can make daily life safer, more convenient, and more independent. Yet most people only use a fraction of their features. This quiz tests how well you can recognize common smart home devices and understand their real-world functions. The questions focus on everyday products you are likely to see in stores, advertisements, or friends' homes. No advanced technical knowledge is required. Answer based on what you already know. At the end you will receive a clear score and practical feedback. Whether you are just starting to explore smart technology or already own several devices, this quiz will help you spot useful features you may have overlooked — features that can support comfort, safety, and independent living for years to come.