This BRK 83RECN smoke detector is a reliable addition to any home security system. Powered by a 9V battery (not included), this device is designed to detect smoke and alert occupants of the presence of fire. With a sleek white colour and compact design, it is easy to instal and use. Featuring battery backup, this smoke detector is suitable for use during power outages and ensures that you are always protected. The BRK brand is known for its quality products, and this smoke detector is no exception. It is perfect for those who want to keep their homes safe from fire damage.