Features: 0.1 Hz to 9.9999999 MHz Sine/Square Wave Signal Generator; Simultaneous Sine and Square wave generation; 0.1 Hz Frequency Selectability; 0.02% Signal Accuracy; Sine Wave Output - 0 to 4.5Vp-p (no load); Square Wave Output - 5Vp-p (no load); 50 output impedance; AC power adapter included; Can be powered by a standard 9V battery