DC-to-DC Boost Module, Power Step Up Converter Regulator Voltage Converter with Digital Voltmeter<br> Touch Button: This step up voltage module has a touch button switch to change the measured value of the input or output voltage, and an indicator light shows the voltage to be measured<br> Voltmeter Design: This dc to dc boost module uses a voltmeter design, the voltmeter error is ±0.1V, and the measurement range is 5V~35V<br> Convenient Connection: The input and output of this power step-up module have screw terminals, which can be easily connected even without a soldering iron, and the pads for soldering are reserved<br> Working Current: The maximum output current of this step up voltage module can reach 4A; recommended working current is about 2A, if it exceeds 2A, please add a heat sink<br> Wide Range of Applications: This step up voltage module is widely used in batteries, power transformer, DIY adjustable regulated power supplies, industrial equipment 9 to 12V, 12V to 18V, 18V to 24V, etc.<br> color: blue<br> Size: length 66* width 36* height 14mm<br> Quantity: 1pc<br> Kind tips:<br> 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering.<br> 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding.<br> 3. Only the above package contents, excluding other products.<br>