Feature:1. Frequency measurement range is 1HZ-1MHZ, which can produce sine wave, triangular wave and squarewave.2. Wide range of power supply, can use external power supply 9-12V or 9V battery, more convenient to use.3. All plug-in components, fewer components, simple circuit, simple installation and debugging.4. Frequency and amplitude can be adjusted, with coarse and fine tuning, simple operation.5. Five-digit precision resolution, the measurement data display is intuitive and convenient.6. Widely used in water conservancy projects, water towers, buckets, water tanks, etc.Specification:Condition: 100% Brand NewItem Type: Function GeneratorMaterial: PlasticFrequency Measurement Range: 1HZ-1MHZPackage List:1 x Bag of Function Generator DIY KitNote:The products are all parts, which require you to weld and assemble by yourself.