Includes 10 SW420 vibration motion sensor modules for security applications such as theft alarms and smart car alarms Long trigger duration: the module features an extended vibration trigger duration, enabling reliable activation and improved responsiveness in alarm situations Robust output: comparator output provides a clean signal with drive capability exceeding 15 mA, compatible with numerous relay modules for efficient operation Compact size: PCB footprint of 2 cm x 1.4 cm, saving space and allowing easy integration into your projects without occupying much board real estate Why you need it: bulk set of vibration sensors supports multipoint security sensing, extended trigger duration enhances detection reliability, strong drive current enables direct relay interfacing, and small footprint fits compact designs What makes it stand out: extended trigger duration, drive capability over 15 mA, and a compact 2 cm by 1.4 cm PCB with relay compatibility Applications: Home, office, or theft alarms to detect tampering or movement Smart car alarms and vehicle security to respond to nearby vibrations DIY IoT projects or industrial equipment monitoring requiring reliable vibration sensing and easy relay control