The new Octopus DQ offers a complete ceiling detection to any room. The infrared ceiling detector gives you maximum peace of mind knowing that the security system is monitoring the protected space. With 360° detection coverage, the Octopus DQ easily and effectively detects from any angle to monitor a complete room or office space. PIR QUAD detector for ceilings. Coverage of Ø12 meters, 360° (installed at 4 meters). Installation height of 2.4 ~ 4 meters. Detection speed of 0.3 ~ 3ms. 4 selectable sensitivity options (automatic, high, low). Rear and housing tamper. Pulse counter (1, 2 and 3). Blue Wave technology reduces false alarms. Digital temperature compensation. Incorporates EOL resistors. Power: 9V ~ 16V DC. Consumption: 15 mA at rest, 25 mA in alarm. Operating temperature: -10° C ~ + 40° C. Dimensions: Ø94 x 33 mm. Environmental class II. EN50131 Grade 2 certificate.