A weather-resistant model designed for outdoor use. A plastic membrane inside the microphone protects the microphone capsule from water damage. The mic mounts in a standard electrical outlet box and has screw-terminal connections. Applications include fast-food restaurants, outdoor intercoms, toll booths, bridges, theme park security and home automation. Powering is by 12-24V AC or DC. PZM-11LLWRS1 (available on special order) is powered by phantom power.