Features 1、Brand new and high quality 2、The main output waveform : sine wave and square-wave, triangle wave, sawtooth wave 3、This product is 1HZ-500KHz DDS function signal generator signal source module frequency counter. 4、Small size, easy to carry and store, convenient to use and with good performance 5、Using high‑quality materials, strong and durable, has a long service life Specification Description: Brand new and high quality The main output waveform : sine wave and square-wave, triangle wave, sawtooth wave Maximum output amplitude:± 10Vpp (no-load) Output impedance :50Ω±10% Dc bias: ± 10V (no-load) Display: LCD1602 Resolution :1 Hz power supply: DC 3.5-10V Output frequency range: sine wave: 1Hz-500KHz Square-wave: 1 Hz - 20kHz (the valid range) Triangle wave :1 Hz - 20KHz (the valid range) Sawtooth wave :1 Hz ~ 20kHz (the valid range) Package included: 1 x DDS Function Signal Generator 1 x USB Cable Package List