The 10 Year Interconnected Heat Alarm is designed to be installed in areas not suitable for smoke alarms; kitchens, garages and laundries. The 10 Year Interconnected Heat Alarm will connect with your Watchman AJ-760SI Smoke Alarms and Watchman AJ-R1062 Remote Controller – which allows you to test and hush your alarms from the remote. Installing interconnected alarms provides greater protection throughout the home. When one alarm activates, all other connected alarms will activate. This provides early detection in the home. RF interconnected technology (no wi-fi/data required) Connect up to 22 alarms Built-in 3v 10 year lithium battery 9 minute hush Visual indicator for operation and alarm mode Easy to install Wireless Remote Controller compatible 2 year warranty NZ Building Code, NZS 4514:2021 and RTA compliant BS5446-2:2003 certified