Pocket Audio Generator Features microprocessor technology digital waveform generation also available as completely mounted module VM156 Specification sine wave: 50Hz, 100Hz, 1KHz, 10KHz, 20KHz burst: 50Hz, 100Hz, 1KHz burst mode: 20ms ON, 500ms OFF noise: 32-bit digital noise output level (10Kohm): 0 to 775mV (0dB) outputs: 2 x RCA (cinch) power supply: 2 x CR2016 or CR2025 battery (excl.) dimensions: 86 x 50 x 25mm / 3.4 x 2 x 1"