Technical Specification:
Ambient Temperature:  0℃ ~ 50℃
Relative Humidity:  below 95 %
Monitoring Current:  450A/DC24V
Operating Voltage:  DC16V~30V
Address coding by dip switch 
- Two-wires multi-transmission
- With the function of photoelectric sensor, it can act rapidly and accurately with high stability. Also, it won’t caused false alarms by chemistry substance, gas leakage or external light.
- Steel insect-proof nets with the hole size of 0.5 mm ensure smooth inflow of smoke and prevent insects or dust entering into the detector
- The detector doesn’t contain any radioactive substances, and no harm to humans or animals.
- The detector is reusable and easy maintenance. Remove the cover to clean the interior.
- The detector is made of flameproof and high temperature-resistant plastic. 
Dimension:  108 X 47 mm