Welcome to my store! NICE DAY~
Features:

Beautuful acrylic Enclosure.
Using SNT liquid crystal screen ,Voltage and Current can be displayed simultaneously,blue background and white character ,wide angle and wide field of view.
Using botton to adjust voltage, left button to reduce the voltage ,the right buttom to incresing votage.
Press button one time can adjust 0.04V , press and hold more than one second to quickly adjust voltage.
Automatically saves the last set voltage
The calibration function
Specifications:

Material: PCB board &Acrylic&Component
Converter type: DC-DC
Input voltage: 5~23V (Best voltage 20V)
Output voltage: 0V~16.5V (Continuously adjustable)
Peak current: 3A(recommended in 2A)
Mainboard size: 62mmx44mmx18mm(LxWxH)
Display module: STN LCD
LCD size: 37.5mm x 17.0mm(LxW)
LCD accuracy: 1%
Conversion efficiency: 95%
Load regulation S(I): <= 0.8%
Voltage regulation S(U): <= 0.8%
Quantity: 1Pc
Weight : 42g
Products include:
1 * DC-DC buck regulator with an adjustable LCD power module
1 *Transparent shell
2 * Mounting screws
2 * Covers of keys
1 * English Manual