FireHawk Midi Optical Smoke Alarm 10 Year Sealed Lithium Battery | FHB160

The FireHawk Midi FHB160 is the version most people are looking for when they start shopping for a smoke alarm. It runs on a sealed lithium battery pack designed to last the full ten year lifespan of the alarm, so there is no battery to change at any point during its working life. No annual chirp, no ladder, no drawer full of the wrong size cell.