Support sine wave, triangular wave, square wave output Support upper computer fast setting of frequency and waveform Support fixing output frequency and waveform after saving parameter Support oscillator error calibration to realize precise output 1Hz adjustment accuracy, 1Hz-12MHz adjustable range Stable output frequency Working voltage: USB 5V Output frequency: 1Hz-1MHz for sine wave; 1Hz-1MHz for triangular wave; 1Hz-12MHz for square wave Output amplitude (Vpp): 600mV for sine wave; 600mV for triangular wave; 5V for square wave Adjustment accuracy: 1Hz for sine wave; 1Hz for triangular wave, 1Hz for square wave. Note: It is not recommended to use for cable for frequency above 1MHz, please use high frequency transmission cable with SMA connector. Color: Black Material: PCB Package Contents: 1 x Signal generator module 2 x Accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.