Specification AudioSensitivity : 48 decibels BatteriesIncluded : 1 Brand : Potter / Amseco BulletPoint : Potter / Amseco HS-24WR BulletPoint1 : intercom system has high quality loudspeaker for main unit and extension, high sensitive microphone for two-way intercommunication. BulletPoint2 : Adjustable volume with independent switch. Simple to operate. Anti-interference and noise-. BulletPoint3 : Streamlined design of window security, the main unit is made of aluminum alloy, strong and . Single cable connection, easy installation. BulletPoint4 : Two-way voice intercom counter interphone adopts auto dual-way intercommunication technology, automatic indentification of processing speech during a call dose not require any action, ideal for the bank, securities, hospital, bus station etc. BulletPoint5 : The window speaker system no need to press any button to achieve auto two-way intercommunication. Double-track adjustment with indicating light with spare audio jack. Color : White CompatibleDevices : Speaker ControllerType : Remote Control ControlMethod : remote CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 736342607521 ExternallyAssignedProductIdentifier2 : 0736342607521 FormFactor : Robotic FrequencyResponse : 15 KHz GraphicsCardInterface : pci IncludedComponents : inc ItemName : Potter Electric Signal HS-24WR(4890030) 24V Dc Wall Mount Horn Strobe Red Body ItemPackageDimensions_Height : 14.7 centimeters ItemPackageDimensions_Length : 8.2 centimeters ItemPackageDimensions_Width : 12.3 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : security-sirens Manufacturer : Potter / Amseco Material : Material MemoryClockSpeed : 2666 MHz MemorySlotsAvailable : 1 ModelName : Service Robot ModelNumber : HS-24WR(4890030) NoiseLevel : 90 decibels NumberOfItems : 1 PartNumber : HS-24WR Platform : windows PolarPattern : Unidirectional PowerSourceType : Corded Electric ProductDescription : Potter / Amseco HS-24WR WALL SELECTABLE HORN/STROBE RED ProductSiteLaunchDate : 2015-11-23T08:51:21.227Z Size : 130cm Style : Modern SupplierDeclaredDgHzRegulation : not_applicable SystemBusStandardSupported : SATA 2 UnitCount : 1 Voltage : 24 volts