Sigcom ST-BKP01 Sentry Backplate Kit
Sigcom ST-WPK01 Sentry Weather Proof Kit (requires ST-XTR01 and ST-BKP01)
Sigcom ST-XTR01 Sentry Extender Kit
Sigcom ST-ALM01 Sentry Alarm Module
Sigcom ST-FRC01 Sentry Front Cover