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Heat Alarm HM2HA series

SPECIFICATION
POWER SUPPLYDC3V(Lithium Battery)
SENSOR TYPEThermistor
ALARMS ATTEMPERATURE RANGE54°C to 65°C
SOUND LEVEL≥85dB(at 3m)
OPERATING FREQUENCY868MHz
MAXIMUM CONNECTED UNITS40
WORKING TEMPERATURE4°C~38°C
WORKING HUMIDITY≤90%RH(non-condensing)
POWER SUPPLY MODE10 years Battery Built-in