Detex EAX-300W Weatherized Battery Powered Door Prop Alarm
The Detex EAX-300W 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. The Weatherized version is designed for doors that open to the outdoors or environments.
Cylinder not included!
Uses a standard 9 volt battery