One-Way IP FlexHorn, Vandal Resistant White: The Valcom VIP-480L IP Paging Horn is a self contained paging system which enables voice paging up to 1200 feet from an Ethernet connection. The VIP-480L consist of a high efficiency 3 Watt Class-D Horn and a VIP-LLE Network Extender allowing stand alone capability when used with a SIP Phone System or can be accessed from a variety of Valcom managed VoIP products. This one-way intercom speaker is compatible with most brand name intercom systems.