This photoelectric detector is designed to give early warnings of a developing fire by sounding its built-in siren. It is recommended for corridors, basements, penthouses or other confined spaces.

Power Supply:DC 9V 6F22 battery x 1

Standby Current:≤ 5uA

Alarm Current:≤ 15mA

LED Frequency in Working State:Once every 32 sec.

LED Frequency in Alarming State:Once every 0.62 sec.

Low Battery State:Beep once with a LED flash per 60s (last for 30 days)

Operation Condition:Temperature:  -10°C ~ +55°C

Relative humidity:  ≤95% (non-condensing)

Monitoring Area:20m²

Alarm Sound:85dB/3m

Radio Frequency:868 MHz

Transmitting Distance:≤ 80m (in open air)

Housing Material:ABS plastic

Dimensions (L x W x H):102 x 102 x 31 mm