Detex EAX-300 Battery Powered Door Prop Alarm
The Detex EAX-300 Series is designed for applications where doors may be used for egress or ingress, but may not be held or propped open. Door open times from 1 second to 4 minutes (15 second default) are field selectable. The smaller size makes installation quick and easy.
Cylinder not included!
Uses a standard 9 volt battery