Ensure the safety of your family and property with the Jemay GS518A interlinked smoke alarm. This a pack of 2 . This smoke alarm comes with a LED indicator and silence button for added convenience. It is designed to detect smoke and alert you in case of fire. The smoke alarm is made by Jemay and is available in white colour. It requires one battery per unit and can also be hardwired for power source. The battery is included and has a backup feature. This smoke alarm is a must-have for your home security and can be easily installed. This is a Jemay product. The packaging has been opened but never used.