Specification BatteriesIncluded : 1 BatteriesRequired : 1 Brand : UTC (Formerly GE Security/Sentrol) BulletPoint1 : Surface Mount Alarm Contact BulletPoint2 : For Roll-Up/Bay Doors BulletPoint3 : Armored Cable BulletPoint4 : Silver BulletPoint5 : Easy Installation: Use the included adhesive or screws to quickly set up the alarm components. The portable design allows placement in various locations, such as homes, offices, stores, or RVs. Please ensure a gap of less than 0.39 inches between the door magnet and magnetic strip for best results. Color : White CompatibleDevices : Home Security System ControlMethod : remote ExternallyAssignedProductIdentifier1 : 0659682315188 ExternallyAssignedProductIdentifier2 : 659682315188 ItemName : Sentrol 2505A-L Surface Mount Contact ItemPackageDimensions_Height : 1 inches ItemPackageDimensions_Length : 6 inches ItemPackageDimensions_Width : 4 inches ItemPackageQuantity : 1 ItemTypeKeyword : home-security-systems Manufacturer : UTC (Formerly GE Security/Sentrol) ModelNumber : 2505A-L NoiseLevel : 130 decibels NumberOfItems : 1 PartNumber : 2505A-L PowerSourceType : Battery Powered ProductDescription : Sentrol 2505A-L Surface Mount Alarm Contact, for Roll-Up/Bay Doors, Armored Cable ProductSiteLaunchDate : 2017-11-03T18:23:21.316Z SupplierDeclaredDgHzRegulation : not_applicable