The XG-MS021 Wireless Motion Detector is a modern, highly efficient PIR security sensor designed to deliver accurate indoor motion detection for both residential and commercial applications. With a 110° wide detection angle, it effectively monitors large open areas with minimal blind spots, making it ideal for living rooms, offices, shops, meeting rooms, and storerooms. It communicates wirelessly over 433MHz using the eV1527 protocol, ensuring stable, interference-resistant signal transmission to compatible alarm control panels. The XG-MS021 features ultra-low power consumption, running on two AA batteries, with a standby current of just 10μA. Its sleek, compact design (53 × 103 × 35 mm) allows for easy installation without disrupting interior aesthetics. With strong reliability across a wide temperature and humidity range, the XG-MS021 delivers effective, discreet, and long-lasting indoor motion security.