It uses an ionisation sensor to detect fast-flaming fires and has a built in 9V Alkaline battery as back-up. To test the alarm there is a test/Hush button that allows regular testing of alarm function and can be used to temporarily silence nuisance alarms.
eBay
Genuine Aico Ei3016 Optical Smoke Alarm – Expiry 2032. Genuine Aico Ei3016 Optical Smoke Alarm. ✔️ Expiry Date: 2032 – Long Service Life Remaining. Trusted Aico reliability. Compatible with Aico 3000 Series systems.
eBay
eBay
FireAngel SW1-R Mains Powered Smoke Alarm | Optical Sensor & Backup Battery. FireAngel SW1-R Mains Powered Optical Smoke Alarm. Interlinkable System: Connect up to 12 FireAngel smoke (SW1), heat (HW1), or CO (CW1) alarms – all sound simultaneously if one is triggered.
eBay
The table below shows all the units that can interlink with the Firex KF10, KF20 and KF30. Alternative Product CodesKF10 KF20 KF30 KF1 KF2 KF3 4000 4870 4899 4973 9HI 9HILLs. The updated Kidde Firex range of smoke and heat alarms are mains powered, interlinking units that now use up to 70% less energy than previous Firex models.
eBay
Genuine Aico Ei3016 Optical Smoke Alarm – Expiry 2031. Genuine Aico Ei3016 Optical Smoke Alarm. ✔️ Expiry Date: 2031 – Long Service Life Remaining. Trusted Aico reliability. Compatible with Aico 3000 Series systems.
eBay
The Hispec Mains Smoke Alarm HSSA/PE/FF is a reliable and efficient smoke detector designed for home security. With a fast fix base and powered by a 9v battery, it ensures quick installation and continued protection against smoke and gas hazards. The HiSPEC brand is known for producing high-quality home security products, making this smoke alarm a trustworthy choice for keeping your home safe.
eBay
Aico Ei3016 Alarm. ✔️ Expiry: 2033 – long service life remaining. Stay compliant with UK fire safety regulations using trusted Aico alarms High Quality Aico Build – industry standard in the UK. Optical Sensor – detects slow, smouldering fires.
eBay