Electronic Spices Dual USB Output 5V 1A 2.1A Output Power Bank 18650 Battery Charger Protection PCB Module Board DIY Mobile Charging Accessories Digital LCD Display Indicator Micro Controller Board Electronic Hobby Kit

Equipped with LED lamp with push button switch control on/off, Board Size: 66 X 18 X 16mm/2.60 X 0.71 X 0.63inch(L*W*H) Output load indication: press and hold the LED light button after the load is turned on, the output will start, the display will show OUT letter and relative output voltage. Micro USB input: 5V 1A USB output: 5V 2.1A / 5V 1A ( Dual USB interface) Charging display: intelligent digital display Product size: 57mm point x 28mm Screen size: 27 mm x 17 mm The capacity is not more than 200,000 mA, and the voltage is 3.-4.2V.