General description The Kidde 29HD is a compact optical smoke alarm powered by a 9V alkaline battery. It features prominent test and hush buttons for easy operation, allowing users to perform weekly tests and silence nuisance alarms caused by dust, steam, or fumes. The alarm is designed with two anti-tamper mechanisms for added security, preventing casual removal and ensuring it cannot be fitted to the ceiling without a battery. With a loud 85 dB alarm, it effectively detects smoke and is particularly suited for identifying slow-burning fires. Technical specifications Power source: 9V alkaline battery (included) Alarm volume: 85 dB Diameter: 10 cm Approved to: EN 14604 Warranty: 5 years Installation The Kidde 29HD can be easily installed in various locations within your home, especially in bedrooms and living areas. Usage The alarm features a dedicated test button for regular testing of its functionality and a Hush™ button to temporarily silence nuisance alarms. Other information VdS