1. DIY voltage regulator with constant current function and short-circuit protection to safeguard the load. 2. Can provide power supply for electronic devices. 3. Charging indicator: red light during charging, bright green when fully charged. The turn lamp detects the output current. 4. Charger suitable for various types of batteries, featuring MPPT functionality to enhance charging current up to double. Provides constant current to prevent battery overcharge, effectively protecting the battery. 5. Supports high-power LEDs. Serves as a power supply for your mobile phone or digital devices. 1. Module Name: 5A buck constant voltage constant current MPPT 2. Module Properties: Non-isolated buck module (BUCK) 3. Input voltage: 6-36V 4. Output voltage: 1.25-32V continuously adjustable (default output 5V). MPPT voltage setting range: 6-36V 5. Output current range: 0.05-5A (default output current is 3A) 6. Turn lights output range: 0.01-5A (default turn lamp current 0.3A) 7. Operating temperature: -40 to + 85 degrees 8. Operating frequency: 180KHz 9. Conversion efficiency: up to 95% (efficiency related to input and output voltage, current, and pressure) 10. Over temperature protection: automatically shuts off the output after overheating 11. Input reverse polarity protection: None (add a diode string if necessary) 12. Output anti-irrigation protection: None; the output must be connected to the battery with a blocking diode, or the module may be damaged 13. Installation: 4 pcs 3mm screws 14. Connection: IN is the input, OUT is the output 15. Module dimensions: 60 x 31 x 22 mm (without meter) Note: For detection modules, do not directly connect the output negative electrode to the input negative electrode. Color: Blue Material: Plastic Size: 60 x 31 x 22 mm Package Contents: 1 x Digital Solar Panel Controller Only the above package contents are included; other products are not included. Note: Lighting and different displays may cause the color of the item in the picture to differ slightly from the actual item. The measurement allowed error is +/- 1-3cm.