FireKnight FireKnight Photoelectric Wireless Smoke Alarm 10 Year Lithium Battery with LED Escape Light MFFKSA-W1
FireKnight FireKnight Photoelectric Smoke Alarm Mains 240V Hard Wired with 9V Battery Backup MFFKSA-240-9VDC
FireKnight FireKnight Photoelectric Smoke Alarm 10 year Lithium Battery Backup Stand Alone Operation MFFKSA-LB