Siren Marine Micro ePIR Motion Sensor Wired. An ideal solution for monitoring a boats main entryway or corridor. Install on any wall or ceiling for a well concealed layer of security. The sensor will push an alert to the boat owner upon unauthorized entry and can be programmed to sound an audible alarm. Specifications for Siren Marine Wired Micro ePIR Motion Sensor: Manufacturer: Siren Marine Color: Black Package Contents: Siren Marine Wired Micro ePIR Motion Sensor Siren Marine SM-ACC-EPIR: Micro ePIR Motion Sensor Wired