Interconnected through reliable radio frequency, does not require wifi or any additional parts. Simply turn on each alarm with a twist and pair them together in minutes. Also included is a VHB strong adhesive pad allowing you to fit the alarm without drilling or the need for any tools.The new HiSpec RF10-PRO range of safety alarms offer an easy way to upgrade your home smoke alarm system to comply with new regulations. Each alarm is completely wireless and powered by a sealed 10 year life battery and connected via radio frequency to all other alarms in the house. No electrician required, these alarms can be a much faster and cheaper alternative to having the alarms hard wired. Comes with a 5 year guarantee. These alarms meet the new 2022 Scottish legislation. Smoke Alarm - BS EN14604:2005 - KM 638574. Heat Alarm - BS EN5446-2:2003 - KM 672401. Interconnect up to 20 wireless detectors. 10 Year Sealed Lithium Battery. Battery only with integrated RF technology. Compact Design - 82mm wide 43mm projection. Test function and hush feature. Compatible with Hispec Control Unit. Smoke & Heat Alarm Kit 1. Smoke & Heat Alarm Kit 3. Smoke & Heat Alarm Kit 4. Smoke, Heat & CO Alarm Kit 1. Smoke, Heat & CO Alarm Kit 2. Smoke, Heat & CO Alarm Kit 3. Smoke, Heat & CO Alarm Kit 4. Wireless Interlinked Carbon Monoxide Detector. The item "HISPEC 10 Year Lithium Battery Wireless Interlink RF Smoke & Heat Alarm Kit2" is in sale since Thursday, September 16, 2021. This item is in the category "Home, Furniture & DIY\Home Security\Smoke & Gas Detectors". The seller is "teslasupplies" and is located in Cumbernauld. This item can be shipped to United Kingdom.