Yale 'Professional' Wireless Outdoor Siren (Square)

Brand: Yale

Item Number: 22137

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The Yale Professional Wireless Round Outdoor Siren produces a minimum of 104dBA and an activation time set by the Yale Professional Control Panel.


  • 104dBA noise level
  • Tamper Protection
  • Entry Delay warning beeps can be enabled or disabled
  • 4 x D Cell Batteries
  • Low Battery detection
  • Previous Alarm memory and warning