Elro FA20RF-2 Interconnectable Wireless White smoke detector

FA20RF-2, 85 db, 433.92 MHz, 9V - Early reaction upon detection of smoke.
- Alarm signal is clearly audible everywhere in the house.
- Send/receive units communicate via code.
- All smoke detectors within a radius of 40 m. will sound the alarm upon detection of smoke.
- Wireless interconnectable up to 40m.
- 85dB alarm signal – continuous security.
- Low battery indication – test switch.
- Including 9V battery and 6 x AAA 1.5V battery