Chuango | Wireless DIY smart home security systems
Chuango | Wireless DIY smart home security systems
Home > Products > Environmental Detectors > Smoke Detector
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 supply DC 9V 18mA
Static current ≤5uA
Alarm current ≤15mA
LED frequency in working state Once every 32 sec
LED frequency in alarming state Once every 0.62 sec
LED frequency in low battery state Once every 32 sec (last for 30 days)
Monitoring area 20㎡
Alarm decibel ≥85dB/3m
Radio frequency 315MHz or 433.92MHz
Transmitting distance ≤80m (in open area)
Housing material ABS plastic
Operation Condition Temperature: -10°C ~ +55°C

Relative humidity: ≤80% (non-condensing)
Dimensions (L x W x H) 102 x 102 x 31mm
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