Smoke detectors and carbon monoxide detectors from KK-Lite are all UL approved to keep you safe within your business or home. Our smoke alarms and carbon monoxide alarms come with five year limited warrantees and super heavy duty batteries that are warranted for three years from the date of original installation. They are fast and easy to install with convenient test buttons for checking batteries. Know when danger is near. Protect your employees, family and loved ones with carbon monoxide and smoke detectors from KK-Lite today.