Resonance Frequency : 2.8±0.5KHz Operating Voltage: 3-15VDC Rated Voltage: 12VDC Current Consumption: 95mA Max.at Rated Voltage Sound Pressure Level: 100dB Min at Rated Voltage at 10cm Tone Nature : Alarm sound Operating Temp: -40~+85°C Weight: 20g Housing Material: ABS