The Atlantic 30-0173 Audio Alarm plugs in to a Sentry Safety Sensor or Guardian Ultraviolet Monitor to produce a pulsed tone when any malfunction is detected. The 30-0173 plugs directly in to the outlet on the Sentry or Guardian box requiring no complicated installation.

Features:

• Easy installation, no tools
• Warns of lamp or power failure
• Produces a high frequency pulsed tone
• Origin: Made in USA
• Warranty: One year manufacturer warranty