m-e FRM 500 smoke detector

Wireless, Test button, 9V Alkaline battery When one detector discovers smoke, all radio-connected smoke detectors will trigger the alarm.

- Bi-directional transmission technology (transmitter and receiver in one unit)
- Unlimited expandability within the radio range
- Radio range up to 100m in open field, in a building approx. 30m
- Codable to avoid interference with similar devices in the neighbourhood
- Photoelectric sensor technique
- Automatic self-test every 24 hours
- Mute function (approx. 10 min) to avoid a false alarm, e.g. by cooking fumes
- Battery life (alkaline) about 1 year
- Battery warning for about 30 days
- Test button: for battery, alarm tone, sensitivity and radio transmission