Same Reliable Device, New Effective Features
- Helps stop unauthorized exits and entries of fire or emergency doors
- When activated, it now flashes while it emits an audible alarm
- Self-contained alarm includes symbols and 20 labels to warn in two languages
- Sounds when turning on/off, low battery warning, extended battery life mode
- Stop sign shape helps deter misuse and can help prevent theft
- Easy to install
- For indoor use only