Product Print 1 of 2 http://www.kingstate.com.tw/DesktopModules/PItem/ViewPItem.aspx?... Pin Type Rated Frequency (Hz) 4,100±500 Operating Voltage Range (V.D.C.) 3~16 Current Consumption (mA) Max.7@12VDC Sound Pressure Level (dB) Min.70dB@30cm / 12VDC Tone Continuous Operating Temperature (℃) -20 ~ +70 Storage Temperature (℃) -30 ~ +80 Weight (Gram) 1.0 Material Noryl(Black) 01/12/2011 11:29 Product Print 2 of 2 http://www.kingstate.com.tw/DesktopModules/PItem/ViewPItem.aspx?... 01/12/2011 11:29