1、Exquisite acrylic casing, it is clear to read 2、Display with high-brightness and high-definition LCD screen, which can display voltage and current simultaneously 3、White number on a blue background, the angle is very clear 4、Press the button to adjust the voltage, the left is the voltage reduction, and the right is the voltage increase. 5、Single press to fine-tuning 0.01V voltage, long press 1s to quickly adjust the voltage, which can withstand 100,000 presses 1 x Step Down Module1 Bag of Screw Bracket Item Type: Step Down ModuleModel: WDPS2303Input Voltage: 5-23V, please keep the margin, it is recommended to use within 20V.Output Voltage: 0.01V-18V continuously adjustable, automatically save the last set voltage (the input voltage must be higher than the output voltage by more than 1V).Output Current: Maximum 3A, it is recommended to use within 2A. If the heat is large, please solve the heat dissipation problem yourself.Note: The current magnitude is adaptive to the load and is not adjustable.Input Anti-Reverse: YesShort Circuit Protection: None (do not use short circuit)Accuracy: 0.01V, 0.01A, three-digit display, current unit is A.Conversion Efficiency: up to 95% (efficiency is related to input, output voltage, current, voltage difference).Load Regulation S (I) ≤ 0.8%, voltage regulation S (u) ≤ 0.8%Size: Approx. 62 x 44 x 18mm / 2.4 x 1.7 x 0.7in