CPVAN Wireless Interlinked Smoke and Heat Alarm Scotland Bundle with 10 Years Battery Life, Fire Alarms Scotland Interlinked with Remote Control, CE & BS Certified, Pre Linked. 4 Pack : Amazon.co.uk: DIY
Bellman & Symfon Visit Smoke Alarm Transmitter - with Optical Heat Sensor B1481 - Hearing Aid Accessories
Standard Package (4 Smoke, 1 Heat, 1 CO + Optional Remote Control)
First Alert Compatibility: Ways to Interconnect Smoke and/or CO Alarms