Place of Origin | Guangdong, China (Mainland) | Brand Name | SUMRING |
Model Number | SR-820DHS | name | combined heat and smoke detector dual sensor for fire alarm |
Operating voltage | 9V battery | Alarm temperature | 57u2103 |
Sensitivity | 2.06%ftu00b11.3%ft | Sound level | 85dB/3m |
Installation | Wall or Ceiling mounted | Working environment | -10u2103~+50u2103(u226495%RH No congelation) |
Dimension | 128*38mm |
No.5 Building, Lijingyuan Industrial Estate, Jinhua Road, Bantian,