SMK 500 Smoke Detector


The SMK-500 must be installed per NFPA instructions, and can only detect for smoke (not combustible fumes, temperatures or flames). It is recommended for corridors, basements, penthouses or other confined rooms.



  • Power SupplyDC 9V 18MA
  • Static Current≤5uA
  • Alarm Current≤15mA
  • Led Frequency In Working StateOnce every 32 sec
  • Led Frequency In Alarming StateOnce every 0.62 sec
  • Led Frequency In Low Battery StateOnce every 32 sec (last for 30 days)
  • Monitoring Area20㎡
  • Alarm Decibel≥85dB/3m
  • Radio Frequency315MHz/433.92.92MHz (±75KHz)
  • Transmitting Distance≤100m (in open area)
  • Housing MaterialABS plastic
  • Operation ConditionTemperature: -10°C ~ +55°C Relative Humidity: ≤80% (non-condensing)
  • Dimensions (L X W X H)102 x 102 x 31mm