SainSmart LM2596 Adjustable Voltage Regulator 4.0-40V to 1.25-37V DC 36V to 24V to 12V to 5V Variable Volt Power Supply Car Motor Buck Step Down Converter with Red Voltmeter Display;

Features:
- There are output voltage adjustment "-" button for decreasing output voltage and output voltage adjustment " +" for increasing output voltage.
- There are two LED indicators on this converter board, including the red LED and the green LED. The red LED will light on when you measure input voltage and green LED will light on when you measure output voltage.
- It is low power consumption, and has terminal and retain the wire bonding wiring point. And If you remove the P3 jumper cap, the voltmeter will shutdown.


Specification:
- Module Model: LM2596 Buck Converter + Voltmeter
- Cutting Size: 66.04mm x 35.05mm
- Input Voltage: DC 4.2-40V
- Output Voltage: 1.25V~37V (continuously adjustable, the input voltage must be 1V higher than the output voltage)
- Output Current: 2A (normal and stable), 3A Max.
- Ripple Frequency: About 150Khz
- Ripple Peak: About 100mV
- Display Color: Red
- Voltage Meter Error: ± 0.1V


Wiring connection:
IN+: connect IN+ to your Input Positive
IN-: connect IN- to your Input Negative
Out+: connect OUT+ to your Output Positive
Out-: connect OUT- to your Output Negative


Applications:
- Experiment teaching
- Temporarily set up power supply in the outdoor
- Car(audio, electric fan)power supply


Package includes:
1 x DC-DC Volt Buck Converter