General Details
Main Features:
SR-820PHW-AC(AC Power& Back up battery) Wireless interconnected smoke alarm
Auto-check malfunction
 Infrared photoelectric sensor
 MCU processing, eliminate false alarm
 Photoelectric sensing technology
 Dustproof, mothproof, anti-light interference design
 Hush function
 Lower battery led indication
 Execute criterion: EN14606; UL217
Technological details:
| Model No | SR-820PHW-AC | 
| Operating voltage | AC110/220V(9V backup battery) | 
| Interconnection | Install within the radius of 200 m | 
| Hush function | YES | 
| Code form | 2262 | 
| Sending frequency | 433MHz | 
| Radio distance | 200 m(open area) | 
| Sensitivity | 2.06%ft±1.3%ft | 
| Sound level | 85dB/3m | 
| Installation | Wall or Ceiling mounted | 
| Working environment | -10℃~+50℃(≤95%RH No congelation) | 
| Dimension | 128*38mm | 
 
  
  










