Features:
Brand new and high quality
MINI
Main chip: NE555
Output with LED indication
The output frequency range is selectable
The output duty cycle can fine-tune
Duty cycle and frequency is not separately adjustable
Adjusting the duty cycle will change the frequency

Specifications:
Size: 31mm x 22mm
Color: Red
Material: Metal
Net Weight: 7.2g

Package Includes:
1 x Adjustable Module Signal Generator