Piezo Alarm factory Technical parameters Measuring condition Part shall be measured under a condition (Temperature: 5锝?5鈩? Humidity: 45%锝?5%R.H., Atmospheric pressure: 860 锝?060hPa) unless the standard condition (Temperature: 25卤3鈩? 鈩?/p> ROHSYes WeightApprox g DRAWING & DIMENSION *Housing Material: BLACK ABS Electrical And Acoustical square meter.Piezo Alarm factory website:http://www.czfhdbuzzer.com/piezo-buzzer/piezo-alarm/