Specification BatteriesIncluded : 1 BatteriesRequired : 1 Brand : tolviviov BulletPoint1 : 【 Indoor Siren】A second alarm speaker that will allow you to be able to hear the alarm upstairs and also downstairs BulletPoint2 : 【Pairing 】Pairing your siren to your smart phone; Tap "Scene", Tap "+" on the right corner, tap "When device status changes", choose your home alarm system, tap "Alarm","SOS", tap "Run the device ", choose your siren, "Alarm", "SOS"; Tap "Save"; After the above steps, you need to follow the above steps again to set up disarm; Just select "Disarm" BulletPoint3 : 【tolviviov Siren 】Only works with tolviviov home alarm system BulletPoint4 : 【Easy to Install 】 Just plug in the power BulletPoint5 : Multi functional lens, wide-angle night vision - all in one, allowing you to see clearly during the day and night, and the large viewing angle allows adults and children to capture clearly BulletPoint6 : Package equiped with quick start Qguide and detailed manual. Color : Gray CompatibleDevices : tolviviov Home Alarm System ConnectivityProtocol : Wi-Fi ControlMethod : touch ExternallyAssignedProductIdentifier : 9052371027576 ExternallyAssignedProductIdentifier1 : 782917145134 ExternallyAssignedProductIdentifier2 : 0782917145134 FinishType : Polished IncludedComponents : Batteries ItemName : tolviviov Indoor Siren - Compatible with tolviviov Home Alarm System-HUB Needed ItemPackageDimensions_Height : 17.8054 centimeters ItemPackageDimensions_Length : 5.0038 centimeters ItemPackageDimensions_Width : 13.208 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : home-security-systems Manufacturer : Daping MaximumRange : 33 feet ModelName : W2New ModelNumber : W2New MountingType : Wall Mount NumberOfItems : 1 NumberOfLithiumIonCells : 1 NumberOfLithiumMetalCells : 1 PartNumber : W2New PowerSourceType : Battery Powered ProductDescription : ... ProductSiteLaunchDate : 2024-03-15T06:27:46.738Z Size : One Size Style : Alarm hub SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 46170000 Wattage : 5 watts WirelessCommunicationTechnology : Wi-Fi