Sound volume level: Adjustable, 81 – 105dB at a distance of 1m |Alarm length: Adjustable, 3 – 180sec |Battery: 2 x CR123A batteries, 3V |Battery life: up to 5 years |Up to 2000m in an open space (in a perfect environment) |Protection class: IP50 |Certification: Grade 2, CE |Dimensions: 75 X 76 X 27mm
