Model: TP4056 - Quantity: 1 - Color: Blue - Material: PCB + plastic + iron - Board TP4056 lithium charge management chip - Mini USB head can link directly to the computer USB port charging - The charging board can also power supply from (IN + and IN-) pin - Setting aside the the TEMP pin interface can be used as lithium battery temperature detection - Input voltage: 4V~8V - Maximum output charging current: 1000mA - D1 indicator lights on when in charging D2 lights on when charging completed - English Manual/Spec: Yes - Great for DIY project - Packing list: - 1 x Lithium battery charging module