Hispec Smoke Detector Rf Mains With Backup Battery

Wirelessly interconnect up to 20 detectors9v bettery backup includedloud 85db alarmfast fix base includedinsect prooftest function and hush feature

Wirelessly interconnect up to 20 detectors9v bettery backup includedloud 85db alarmfast fix base includedinsect prooftest function and hush feature