Display: 0.56 "LED digital tube
   Display color: red
  
 input voltage range: 4.0-40 V
 
 Output voltage range: 1.25V-37 V (step-down mode, input must be higher than the output 2 V )
 
 Output current: continuous 2 A output, MAX 3A for a short time.
   
 
 Voltage instructions: input 4.0-40 V, output 1.25-37 V
 
 Weight: 30 g/only
 
 Size: 70 mm * 40 mm * 16 mm
 
 Switch: used to switch  voltage digital display
 
 Indicator: LED  indicator IN  display  the input voltage,
 
 LED  indicator  OUT  display  the output voltage
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