Operating voltage           :  8V - 16V

                                Rated current                  :  max 4mA

                                Sound pressure level      :  min 85 dB

                                Coil resistance                :  115 ± 12Ω

                                Rated prequency            :  2048Hz

                                Operating temp. range    :  - 20℃ ~ + 70℃

                                Storage Temp. Range     :  -  30℃ ~  + 80℃

                                Body Dimension              :  Top-14mm, Bottom-16mm,  Height- 13.5mm