Feature 
   ☆ Sandwich structure
   ☆ Loop powered
   ☆ 16 programmable tones
   ☆ Three working modes
   ☆ Electronically addressed
   ☆ Suitable for I series intelligent detectors
   ☆ LPCB approved

Technical Specifications  

  ☆Operating Current:
         Standby Current: 1mA
         Action Current: 6mA
  ☆Alarm tones: 16 tones, Tone 14 and Tone 16 are EN54-3 compliant
  ☆Operating Environment:
         Temperature -10℃ ～+50℃
         Relative Humidity: 95%, non condensing
  ☆Dimension: Diameter 152.4mm, Height 41.3mm