Resonance Frequency : 4.0±0.5KHz Operating Voltage: 3-16VDC Rated Voltage: 12VDC Current Consumption: 20mA Max.at Rated Voltage Sound Pressure Level: 85dB Min at Rated Voltage at 10cm Tone Nature : Single Operating Temp: -40~+85°C Weight: 1.5g Housing Material: PPS