The GF-800/555 is an Elenco Sine/Square Wave Audio Generator with 20Hz - 150kHz.
Low Distortion Sine/Square Wave, Sweep Function Generator
Features:
- Sine and Square Wave Generator
- 20Hz to 150kHz in 46 Steps
- Low Distortion RC Oscillator
- Variable Output Control
- Low Battery Indicator
- Compact portable; lightweight
- Test leads included (banana to alligator clip)