Bulk pack of 10 SW420 vibration motion sensor modules: a complete set for larger projects or multiple installations. Extended trigger time: longer trigger duration than standard sensors, delivering enhanced reliability and responsiveness in security systems and automation. Efficient signal output: strong comparator output with drive capability exceeding 15 mA, enabling clean signals and compatibility with various relay systems and microcontroller inputs. Spacesaving design: compact footprint of 2 cm by 1.4 cm, easy to integrate without occupying significant board space. Use scenario: home or small business security systems for doors, cabinets, or windows where reliable vibration detection is required and extended trigger time improves system responsiveness. Use scenario: DIY automation or robotics projects that require a compact vibration sensor with a robust output to drive relays or electronics. Use scenario: industrial monitoring applications where small size and reliable, clean signal output help trigger maintenance or safety alerts.