0.56' DC-DC 4-40V to 1.25-37V 3A

Features:
An input and output voltage switch.
Green light: Output voltage measurement.
Red light: Input voltage measurement
With terminal and maintain the cable connection point.Specifications:
1, Input voltage range: 4~40V DC
2, Output voltage range: 1.25-37V DC adjustable
3, Output current: 2A
4, Voltmeter range: 0 to 40V, error ±0.1V
5, Input reverse polarity protection
6, Built in output short protection function 
7, Built in thermal shutdown function
8, L x W x H =6.1*3.4*12 cm
9, Weight: 22gWiring Connection:
IN + : input positive/IN - : input negative
OUT + : output positive/OUT - : output negativeNote: 
To guarantee the accuracy of the voltmeter , make sure the input voltage above 4V.
The input voltage must be 1.5v higher than the output voltage or 1.5v above.Package Include:
1* DC DC Buck Converter