Sirenloc Models 250, 260, 700, and 710 are UL Listed panic alarm deadbolt devices which restrict unauthorized use of exit doors by sounding an alarm, while providing instant egress in emergencies
250WPXUS28 Alarm Lock Exit Alarms
Sirenlock Panic Exit Alarm, Paddle, Weatherproof, 2-Minute Alarm Cutoff or Manual Reset, Aluminum
$318.89