Housing: ABS LED ON/OFF optionalautomatically temp. compensationSMT workmanship,anti RFI,EMI interferencetriple pulse count adjustmentoutput NC/NO optional,suit for different alarm host.operating voltage:DC9-16V  current consumption:≤18mA(DC12V/H)  working temp.:-10°C ~+50°C  fixed mold:ceiling mounted  mounting height:2.5-6M Detecting Range: diameter 8m  Detecting angle: 360 degrees relay output: N.C. / N.O. optional  switch:N.C.  size: φ106*36mm

Alarm Horn