smoke detector, smoke alarm, fire detector, fire alarm SD-218 series photoelectric smoke detectors with EN14604 certificate smoke detector, smoke alarm, fire detector, fire alarmStand-alone Detectors:SD-218 ... verification8) Loud alarm signal exceeding 85dB in alarm mode 9) Easy installation and maintenance10) Five-year warranty11) EN14604 approved by BSI Smoke Sensitivity:2 ...