Features: Display statistics of input voltage, output voltage, current, power and capacity, with voltage resolution of 0.01V and current resolution of 0.001A.With USB female output, it is convenient to connect USB fan and other USB interface devices. Screw free quick wiring terminal-, press type wiring and wire pulling, no need to screw, convenient and fast. When the current limiting value (constant current) is set, the current limiting value can be displayed directly without short circuit and multimeter. With intelligent fast charging decoy, it can solve the problem of insufficient power supply of USB input port. It supports mainstream fast charging protocols, QC2.0- 3.0, FCP- SCP- AFC-, and can also select no deception- or automatic deception- mode. High power 15W, 2A current, can be used for fan speed regulation, desktop power supply, adjustable charger, router power supply, etc. Specifications: Material: electronic parts Package Includes: 1x Power Supply Module note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.