Features: The hwMS03 Microwave sensory Module utilizes Doppler technology with antenna to detect subtle motion changes, triggering precise H/L or on/off control signals for automated systems. Featuring plastic housing and compact design, this single board module integrates high frequency electromagnetic waver transceivers for motion detection in space constrained installations. Ideal for engineers developing smart home appliances, security systems, or energy efficient lighting requiring contactless activation. Perfectly suited for garage lighting automation, security monitoring, and outdoor motion activated devices in commercial/residential environments. This advanced microwave induction module supports seamless integration with platforms, offering real time motion detection accuracy while maintaining low power consumption for prolonged operational. Specifications: Component:Plastic Size:Approx.41x20mm/0.79x1.61inch Package Includes: 1Pc Microwave Induction Module note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.