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- On-board chip NE555.
- A single channel output, the output duty cycle square wave is about fifty percent.
- Onboard adjustable resistance, resistance can be controlled to adjust the output frequency.
- Best choice for yourself or your friend.You will not be disappointed!
- Color: Blue
- Working voltage: 5-12V
- Size: 29 (mm) x12 (mm)
- choosing a selection results in a full page refresh