This signal generator is professional product to generate sine// . 

Features:
High resolution, can generate sine// waveforms.
Frequency : 1Hz-1MHz.
Adjustable frequency and amplitude.
Frequency adjustment features coarse tuning and fine tuning.
Wide , use 9- external or 9V (NOT Included).

Specifications:
Type: DIY Kit / Semi-finished Product (Optional)
Voltage : 9- Input
Waveforms: , Sine &
Impedance: 600 Ohm + 10%
Frequency: 1Hz-1MHz
SINE
Amplitude: 0-3V at 9V Input
Distortion: Less than 1% (at 1KHz)
Flatness: +0.05dB 1Hz - 100kHz

Amplitude: 8V (no load) at 9V Input
Rise : Less than 50ns (at 1KHz)
Fall : Less than 30ns (at 1KHz)
Symmetry: Less than 5% (at 1KHz)

Amplitude: 0-3V at 9V Input
Linearity: Less than 1% (up to 100KHz) 10mA
Package Size: Approx. 12 * 8 * 2cm / 4.72 * 3.15 * 0.8in
Package Weight: 69g / 2.46oz

Package List: E1703-1
1 * Signal Generator
1 * User Manual (English)

Note:
Semi-finished Product: circuit board has welded, while the transparent need to assemble by yourself.