The Sonoff Motion Sensor-base Smart Home Automation Module offers a flexible and convenient solution for monitoring movement in your home. With its universal joint, the sensor can be rotated a full 360 horizontally and 90 vertically, allowing you to adjust it to the optimal angle for viewing. Please note that the sensor does not move on its own based on your motion. One of the key advantages of this sensor is its ability to be mounted in the universal joint, making it suitable for positions where movement may not be easily detected. By simply rotating the universal joint head, you can achieve a wonderful detecting angle. Alternatively, you can also stick the sensor directly onto the surface of objects to detect movement. The choice is yours. The Sonoff Motion Sensor-base is compatible with PIR3 or SNZB-03 devices. The package includes 1 Motion Sensor-base, providing you with everything you need to get started with smart home automation. Key Features: 360 horizontal and 90 vertical rotation for optimal viewing angle Flexible mounting options with universal joint and direct sticking Compatible with PIR3 or SNZB-03 devices Easy to install and use Enhances home security and automation Detects movement in your home Convenient and versatile Package includes 1 Motion Sensor-base