This program is designed for demonstration purposes only. Actual conditions, such as; topography, temperature, wind speed, humidity, foliage and other environmental conditions not indicated in this program will affect the distance the warning tone and/or voice message will effectively travel. Whelen Engineering Co., Inc. assumes no responsibility for the selection of appropriate product type required or for RF path and propagation. Whelen Engineering Co., Inc. will not be liable for any direct, indirect, consequential or incidental loss or damage arising out of the installation use or inability to use the product selected. It is strongly suggested that you contact the Whelen Authorized Managing Sales Representative assigned to your geographical region for further assistance in planning for your warning system.