The Von Duprin Alarm Kit 99ALK4FTSP28 Exit Device is a Grade 1 for 4 Ft. applications on Von Duprin 99 Series Exit Devices, has a 24VDC input, and comes in US28 Painted Aluminum Finish. The Von Durpin 99ALK4FTSP28 automatically re-arms with a 1 1/2, 3, or 4 1/2 minute time delay upon request.
