• Photoelectric, integrated low-flow technology

• Air velocity rating from 0.5m/s to 20.32m/sec

• Versatile mounting options: square or rectangular configuration

• Plug-in sensor

• Superb false alarm immunity with the latest sensor technology

• Broader ranges for operating temperature (-20ºC to 70ºC) and humidity (0% to 95% non-condensing)

• Patented sampling tube installs from front or back of the detector with no tools required

• A cover tamper feature to indicate a trouble condition for removed or improperly installed sensor cover

• Backward compatibility with existing DH400 range, including remote accessories