The TLO-A is a two-way speaker with and an in-built microphone and audio amplified horn loud speaker for high volume penetration. Weatherized for outdoor use, it is a microphone and speaker within one housing. When connected to a compatible system such as an IP camera, NVR/DVR etc. the TLO-A provides both listen and talk back capabilities eliminating the need for a mid-span amplification unit.APPLICATIONParking StructuresRemote PropertiesBuilding PeripheralsSecured WalkwaysGate Entry & ExitsDocks & PiersCar Dealership LotsMain Features40W speakerU type mounting bracket (aluminum alloy) for vertical and horizontal positioning.