Check the listing for details. MAX038 20MHz Function Signal Generator Module Triangular Pulse 0Wave X9L2. Condition: New. Listed at 26.99 USD. Features: operation (built-in dedicated management ): operating voltage 9~15V. The circuit amp works in dual state (dual amplification does not require a blocking capacitor to ensure high and low frequency signals are not distorted). It can output triangular , rectangular and sine , and forward and reverse sawtooth . Temperature drift of 200ppm/°C. SYNC output with sync signal. Switching the waveform output by push button, easy operation. Adopts with clear acrylic , the signal generator is very beautiful and practical. Specifications: Material: +acrylic Frequency Adjustment : 1Hz～20MHz Duty Cycle Adjustment : 15%~85% Low Loss True Sine : 0.75% Output Linearity: 0.1% Low Impedance Output Buffer: 0.1Ω Offset Adjustable: -5V~5V Adjustable Output Amplitude: 0.1V~9.5VPP (operating voltage 9V) Item Size: 99 * 59 * 32mm / 3.90 * 2.32 * 1.26in Item Weight: 82g / 2.90oz Package Weight: 89g / 3.14oz Package Size: 12 * 9 * 4cm / 4.72 * 3.54 * 1.57in Package List: E10097 1 * Signal Generator 1 * Manual (English) Note: The Signal Generator is a DIY Kit, need to assemble by yourself.