Smoke Alarm Heat Hard Wired/Wireless Recharge Battery BackupThe Kidde Hard Wired Heat Alarm with Rechargeable Battery Backup and Wireless Capability is a reliable fire safety solution designed for areas where traditional smoke alarms are unsuitable, such as kitchens, garages, and loft spaces. This mains powered unit uses thermo maximal sensing for accurate heat detection and features a sealed rechargeable lithium battery that ensures continued protection during power outages. Its smart design includes a fast