2way wireless outdoor siren

WT4911 Wireless DSC Outdoor Siren is a fully supervised wireless siren designed to work with the Alexor and Impassa Wireless Panels. The DSC WT4911B combines form and function to provide improved protection against intruders, before they get the chance to enter the home. With its powerful 105dB sounder, the DSC WT4911B will enunciate unwanted entrance to property and premises. The accompanying security strobe light also provides a visual warning and deterrent upon activation.