The ES300 Series Battery Powered Door Prop Alarm 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 2 minutes (15 second default) are À eld selectable. The smaller size makes installation quick and easy.

• Patented plastic template allows for foolproof alignment of internal magnetic door contact and accurate installation
• Surface door mount (factory standard) or wall mount with external magnetic switches. Easy to install using ordinary tools
• Mortise cylinder required with standard Yale cam for inside key control
• Available with field selectable door prop timing options
• Tapered cover allows for installation on narrow stile doors, 2" minimum.
• Patented cam assembly automatically adjusts for different sizes of cylinders without the use of spacers
• Improved electronic circuits for longer battery life, LED functions
• Tamper resistant housing with cover lock, protects electronics and battery from manipulation
• Intelligent circuit senses the external magnet location automatically and sets the correct door handling