DPS5020 Programmable Step down Power Supply Module Color LCD Constant Voltage Buck Converter   Features: 1. The power supply module features small in volume, advanced in function, good in effect, strong in operability and high in precision. 2. Open or close the output: You can press the ON/OFF button to open or close the output on any interface. 3. Lock the button to avoid wrong operation: On any interface, you can keep pressing coding potentiometer for 2 seconds, all buttons are locked. Keep pressing coding potentiometer for 2 seconds to unlock all buttons. You can see the key lock/unlock icon on the right of the screen. 4. M0-M9 ten data groups: M0 group is the boot default data group. When you extract the data group you need, this data group will cover M0 data group and be automatically stored on M0 data group. 5. You can quickly extract storage data group M1 or M2 or extract the specified data group. Specification:  Model (Optional) DPS5015 DPS5020  80*42*45mm/ 3.1*1.6*1.8in 79*43*41mm/ 3.1*1.7*1.6in Power Module Size 93*71*41mm / 3.7*2.8*1.6in Package Weight (Approx.) 237g/8.3oz 269g/9.5oz Package List: 1 * Display Module 1 * Power Module 1 * USB Board 1 * Bluetooth Board 1 * Set of Accessories Note: 2. Under large current circumstances, pay attention to enhancing heat dissipation. 3. Please properly connect the display module and the power module. 4.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.