Check the listing for details. DDS Function Waveform Signal Generator 0.1Hz - 8MHz 220V CA1645-8. Condition: New. Listed at 181.50 USD. Note: we'll ship this item via express mail service to USA, Canada, Australia, New Zealand, Ireland, Austria, Belgium, Denmark, Germany, France, Finland, Luxemburg, Malta, Norway, Sweden, Swiss, Spain, Italy, UK, Japan, Korea,Thailand, Malaysia, Indonesia, Philippine, Singapore. Clients from other countries pls contact with us in advance to confirm the different shipping charges before you bid. This item supports 220V power supply only, not for 110V. This series uses the latest Direct Digital synthesis (DDS) technology to generate stable, high resolution output frequency. The DDS technology solves several problems encountered in traditional function generators, as follows. Temperature change inside the generator greatly affects the components characteristics which lead to output frequency change. The results are poor accuracy and stability ect. The meter is the ideal equipment of electronic engineers, laboratories, production lines and the teaching and research. Main Features: High resolution using DDS technology High frequency accuracy : ±20ppm Low distortion: