Package contents Ten SW420 vibration motion sensor modules for versatile use in security projects and installations. Key benefits Long trigger duration Engineered for a longer trigger duration than typical modules, providing dependable activation during critical alarm events. Clear and strong output Robust comparator output delivers clear signals and can handle currents over 15 mA, with compatibility to numerous relay modules for effective performance. Compact footprint Measures 2 cm x 1.4 cm, allowing effortless integration into existing projects without sacrificing space. Applications and use scenarios Home security systems Detect vibrations on doors, windows, or other vulnerable enclosures and trigger alarms or relaybased alerts. Industrial equipment monitoring Monitor machine vibrations to initiate maintenance alerts or protective shutdowns when abnormal activity is detected. DIY automation and control projects Integrate with relay modules to automate responses to vibration events in custom builds and prototypes.