![Aqua AQ-BSD-01 Battery Operated Smoke Detector, Temperature Rating 4 - 50deg C, Alarm Speaker Volume 85db, Power Supply 9V : SMEshops.com Aqua AQ-BSD-01 Battery Operated Smoke Detector, Temperature Rating 4 - 50deg C, Alarm Speaker Volume 85db, Power Supply 9V : SMEshops.com](https://www.smeshops.com/images/detailed/1258/SKUB4174614.jpg?t=1568791149)
Aqua AQ-BSD-01 Battery Operated Smoke Detector, Temperature Rating 4 - 50deg C, Alarm Speaker Volume 85db, Power Supply 9V : SMEshops.com
![Kidde Hardwired Smoke Detector with 9-Volt Battery Backup, Photoelectric Smoke Alarm, Battery Included - Amazon.com Kidde Hardwired Smoke Detector with 9-Volt Battery Backup, Photoelectric Smoke Alarm, Battery Included - Amazon.com](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61A1UJDoxwL._AC_UF894,1000_QL80_.jpg)
Kidde Hardwired Smoke Detector with 9-Volt Battery Backup, Photoelectric Smoke Alarm, Battery Included - Amazon.com
![Radio-Interlinked 10 Year Sealed Battery Optical Smoke Alarm - UltraFire ULLS10RF - From £27.59 inc VAT Radio-Interlinked 10 Year Sealed Battery Optical Smoke Alarm - UltraFire ULLS10RF - From £27.59 inc VAT](https://www.safelincs.co.uk/shopimages/products/high/ultrafire-ulls10rf-optical-smoke-alarm-front-face-shot.jpg)
Radio-Interlinked 10 Year Sealed Battery Optical Smoke Alarm - UltraFire ULLS10RF - From £27.59 inc VAT
![Kidde 10 Year Worry-Free Sealed Battery Smoke Detector with Photoelectric Sensor and Voice Alarm 21029620 - The Home Depot Kidde 10 Year Worry-Free Sealed Battery Smoke Detector with Photoelectric Sensor and Voice Alarm 21029620 - The Home Depot](https://images.thdstatic.com/productImages/fc4cc8e2-e2d9-4711-87bc-7c65794511bc/svn/kidde-battery-smoke-detectors-21029620-64_1000.jpg)