The Lot Of 2 CODE ONE Smoke Alarm i9040 Micro Profile Battery Powered Brand NEW is a set of two white smoke alarms by Kidde. They are powered by a battery and feature a photoelectric smoke sensor and voice alerts. This smoke detector bundle includes the necessary batteries and is designed to provide reliable protection against smoke and gas hazards in the home. The compact design of the i9040 model makes it suitable for various locations within the household to ensure maximum coverage and safety.