The Kidde Nighthawk Carbon Monoxide Alarm Gas Detector with Digital Display is a reliable and efficient home security device. This unit operates on two batteries, providing a backup power source in case of emergencies. The electrochemical carbon monoxide sensor ensures accurate detection, while the white color and sleek design make it a stylish addition to any home. Made in China, this alarm is designed to keep you and your family safe from the dangers of carbon monoxide poisoning.