Multifunction Exit Door Alarm Helps Prevent Unauthorized Exits or Entries Through Emergency Door with 110db Siren, Battery Powered Door Contact Magnetic Sensor

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About This ALERT SYSTEM: This compact door alarm emits a loud 110dB siren sound level adjustment to immediately alert you of any unauthorized exits or entries through emergency doo rs. EASY INSTALLATION: Simply attach the main unit with switch to the door frame and the magnet to the door itself. VERSATILE DESIGN: Flexible cable allows the alarm to be positioned on various door types, while the portable size makes it suitable for back doors of warehouse, business, bar, home, office, or travel use. RELIABLE OPERATION: Powered by a 9V battery (included) for consistent performance. COMPLETE KIT: alarm main unit, magnet, 9V battery and mounting hardware. Overview Brand : Nmifoan Color : Red/White Power Source : Battery Powered Compatible Devices : Emergency Doors, Exit Doors Item dimensions L x W x H : 5 x 3 x 2.5 inches Show more