Hispec ABMHEAT/10 Mains Photoelectric Heat Alarm - Fast Fix Base\n- 9V Battery (included) back-up, continuous to operate when mains power fails.- Test button for easily recommended monthly testing.- Photoelectric Sensor for Slow Smoldering Fires.- Easy to install with first fixed-base included.- It should be installed in every room and also use the bathroom and kitchen.\nThe Hispec ABMHEAT/10 Mains Photoelectric Heat Alarm - Fast Fix Base is 9V Battery (included) back-up, continuous to operate when mains power fails. A combined unit where the alarm head and radio base come together with the wireless components integrated into the base of the alarm. They work off a dip switch functionality which allows them to speak wirelessly to one another, just like our old wireless bases (HSA/WB). The units come with a fast fix base which allows the installer to wire directly into the base of the unit, saving both time and maintenance costs.\nFeatures:\n- Interconnectable with up to 20 units - Power-up by AC quick Connector.- Alarm Source Indicator.- Operating Light.- Low Battery Signal.- Low 85dB Alarm Signal.- BS EN14604:2005.- CE Approved.- ROHS Compliant.- Test function and hush feature.- Body Material: Plastic.- Color: White.- Brand: HISPEC.