• Up to 24 alarms can be wirelessly interconnected

• Sold in a pack of 2 – both units in the multi-pack are already interconnected with each other

• High capacity 5-year replaceable battery

• Certified by TÜV Rheinland, global leader in independent inspection services, to meet European Standard EN 14604 for smoke detectors

• High performance STMicroelectronics microcontroller

• When battery level is low, the red LED flashes once with 1 beep every 60 seconds

• Fire retardant ABS plastic material

• Simple 2-step installation

• Mounting hardware included

• 5-Year Warranty