The Daewoo Optical Smoke Alarm - 9V has a dual ionization chamber allowing for a quick response to any potential fire. It is easy to install with no wiring required and includes a 9V battery. It features a low battery warning, test button and is certified to BS EN14604:2005. Loud 85db alarm Low battery warning Requires 1 x 9V battery (included)
The Kidde COSAC Essential Alarm Pack contains a 5CO 7 year sensor carbon monoxide alarm and a 29HD optical smoke alarm in one pack offering protection from the dangers of carbon monoxide and fire in your home.. Both items are battery operated and are supplied with a 9V alkaline battery for the smoke alarm and 3 x AA alkaline batteries for the carbon monoxide alarm. Provides continuous monitoring of CO levels Photoelectric sensor provides the earliest smoke detection Both alarms are battery operated (included)