Width x Depth x Height: 63 x 35 x 185mm Includes storage case Measurement range (dB): 30 to 130 Resolution (dB): 0.1 Frequency range (Hz): 31.5 to 8000 Measurement accuracy (dB): ±1.5 Frequency characteristics: dB A/dB C Power supply (V): 1 X层压9V干电池(包括) 宽度(mm):63 深度(mm):165 电源:1 x层压9V的9V干电池(包括)