Wired shock and vibration sensor with NC alarm output for window, door and home security or doorbell applications Key benefits Detects shock and vibration to provide an early alert when windows or doors are struck or forced Wired NC alarm output for direct connection to most wired alarm panels and doorbell systems that accept NC contacts Compact, unobtrusive design for discreet mounting near frames or glass where vibration signals will register Reliable hardwired connection avoids wireless interference and helps maintain consistent signal transmission What this product does Senses impact and vibration and closes or opens the NC alarm circuit accordingly so a connected alarm panel or chime can trigger an alert Acts as a vibration reminder sensor to detect attempts at forced entry, glass impacts, heavy knocks, or tampering on doors and windows Can be used as a doorbell trigger by detecting knocks or vibrations on the entry door surface when wired to an appropriate chime input Compatibility and performance Wired interface with Normally Closed (NC) output compatible with most standard alarm control panels and wired doorbell inputs that accept NC contacts Designed for reliable detection of mechanical shock and vibration; ideal where a hardwired sensor is preferred over wireless alternatives Compact form factor fits on window and door frames and next to panes of glass without drawing attention Installation and use Mount where vibrations transfer easily from the monitored surface to the sensor body, such as window frames, door jambs, glass panes, or gate posts Wire the NC output into an alarm zone or chime input on your existing wired system; adjust placement for sensitivity to impacts while minimizing false alarms from routine use Lowprofile installation blends into the frame area and works with typical home and small business alarm setups Typical applications Window and slidingglass door protection to detect glass impact or forced entry attempts Front door knock or vibration detection connected to a doorbell chime input for an alternative to a pushbutton doorbell Retail storefront or office windows to monitor for attempted breakins or vandalism when integrated with a wired alarm panel What to expect A wired shock and vibration sensor with NC alarm output intended for integration with existing wired alarm and doorbell systems Practical, discreet protection for doors, windows, and glass surfaces where vibration detection is needed Note: Confirm your control panel or chime accepts NC contacts before installation.