Hispec ABMRFHEAT Mains Heat Interconnectable Radio Frequency Alarm\r\n- Green LED indicator for connection / Red LED indicator for warnings.- Test button for easily recommended monthly testing.- Easy to install with mounting base included.- Will not work without the battery installed.- It should be installed in every room and also use the bathroom and kitchen.\r\nThe Hispec ABMRFHEAT Mains Heat Interconnectable Radio Frequency Alarm has a Green LED indicator for connection / Red LED indicator for warnings. Comes complete with a fast fix base. This base does not require any additional terminal blocks, saving both material and labor costs. This base also doubles up as a mattress, maximizing the saving on the product even more. The radiofrequency alarms can be connected together with other radio frequency smoke or heat alarms so that they all go off together if one alarm is triggered.\r\nFeatures:\r\n- Power-up by AC quick connector.- 9V battery (included) back-up.- Alarm source indicator.- Operating light.- Low battery signal.- Anti-tamper lock.- 60 fixed temperature alarm point.- BS 5446-2:2003.- CE approved.- ROHS compliant.- Body Material: Plastic.- Color: White.- Brand: HISPEC.