HiSpec Interconnectable Fast Fix Mains Heat Detector HiSpec Interconnectable Fast Fix Mains Heat DetectorFeatures:Interconnect up to 20 wired detectors over 8m max10yr Rechargeable Lithium Battery BackupLoud 85dB alarmFast Fix base includedInsect proofTest function and hush featureTamper proof Download The Datasheet Download The Datasheet