Detex V40XEB-48 Battery Powered Exit Alarm Panic Hardware For 48" Door, Cylinder Sold Separately, specially designed, specially designed for doors that require a hardwired, alarmed panic device with remote signal bypass. This exit bar fits doors 1-3/4" to 2-1/4" inches thick. When the alarm sounds, a remote signal can be sent to turn on a remote horn, strobe, or another security device. The alarm can be bypassed using a button, keypad, card reader, or other access control device. The alarm has approximately 100dB will sound when someone attempts to exit, alerting management that an unauthorized exit has occurred. Withe electric switching that monitors the push pad. This panic bar provides a high level of security while also meeting all life safety concerns.