China-made motion sensors are widely used due to their affordability, versatility, and availability in multiple designs. These sensors generally use PIR (Passive Infrared) or microwave technology to detect human movement and automatically switch lights or devices ON and OFF. They come in various types such as wall-mounted, ceiling-mounted, surface-mounted, and concealed models, making them suitable for homes, offices, corridors, washrooms, and commercial spaces. Many Chinese motion sensors offer adjustable features like time delay, sensitivity, and ambient light (lux) control, allowing users to customise performance based on their environment. Despite being budget-friendly, good-quality Chinese sensors provide reliable detection, easy installation, and efficient energy-saving solutions for everyday lighting automation.