10 SW420 vibration motion sensor modules included for alarm system projects; compatible with theft alarms, smart car alarms, and motorcycle alarm setups that require reliable motion sensing Long trigger duration: Provides extended activation time after vibration detection compared to standard normallyopen sensors, improving responsiveness in security and monitoring applications Robust output signal: Features a comparator circuit with clean digital output and drive capability over 15 mA; compatible with relay modules and microcontrollers operating at 3.3V5V Compact detection module: Small PCB size of 3.2 cm x 1.4 cm; blue board design with mounting holes for secure installation in various industrial or DIY environments 23 practical use scenarios Motorcycle anti‑theft applications: install in the bike alarm system to detect movement or tampering and trigger an alert or audible alarm Vehicle security and monitoring: integrate with car or scooter alarms to provide reliable motion sensing for theft prevention and tamper detection DIY security or equipment monitoring: use in home or workshop alarm projects or to monitor vibration on machinery for maintenance alerts and early fault detection