Features:

1. Main chip: NE555

2. Power: input voltage: 4.5V-12VDC. 5V power supply, the output current can be around 12V; 10-15MA power supply, the output current can be around 30-35MA;

3. Dutycycle adjustable range: 0.4-0.99

4. Frequency: 5 frequency bands (measured value)

J1 file: 0.6Hz ~ 25Hz

J2 file: 7Hz ~ 300Hz

J3 file: 50Hz ~ 2.5kHz

J4 block: 350kHz ~ 6.6kHz

J5 block: 6.7kHz ~ 180kHz

5. Input current: 100MA

6. Output voltage: 4.2V–11.4V peak value (with supply voltage variation)

7. With LED output indicator