• Complies with all current 10-year legislation in states/cities where required;• No battery changes for the life of the alarm ;• Includes 3-volt lithium power cell;• Ionization sensor;• Perfect-Mount allows for easy alignment of alarm;• 10-year limited warranty;• Round;Length: 5.90"Width: 5.80"Height: 2.40"Note: Due to the existence of lithium batteries, additional shipping charges or restrictions may apply. Shipping restrictions may require a ship method that is limited to GROUND and this may impact time in transit and available delivery locations.;Ship only in US;
