Pocket Audio Generator, 3.4 x 2 x 1"

Great little gadget for service, repair, testing, education and more. Features microprocessor technology and digital waveform generation. 
Specifications: •Sine wave: 50Hz, 100Hz, 1KHz, 10KHz, 20KHz •Burst: 50Hz, 100Hz, 1KHz •Burst mode: 20ms ON, 500ms OFF •Noise: 32 bit digital pink noise •Output level (10Kohm): 0~775mV (0dB) •Outputs: 2 x RCA (cinch) •Power supply: 2 x CR2016 or CR2025 battery (not included) •Dimensions: 3.4" x 2.0" x 1.0"