PST-IR200B Wireless PIR Motion Sensor
650৳PST-IR200B Wireless PIR Motion Sensor with built-in antenna. Detects motion up to 12m with a 110° wide angle. Works on 433MHz/315MHz frequency with 100–150m transmission range. Powered by a 6F22 DC9V battery. Compact, reliable, and easy to install for smart home alarm systems.