Instructions for turning on and off Light- Long Press the power button to turn the light on and off. Once the light is on, single click the power to cycle through the strobe light and SOS options of the light. ****************************************************************************** The Sun charging takes longer to charge. It's best to plug in for a faster charge. 20,000 mAh Portable External Solar Power Bank For Phone Computer Tablet Outdoor A. Charge with charging Cable or Solar power B. Built-in industry-leading high-density lithium polymer cells without changing the volume and weight. The super battery life can support thousands of charge cycles. C. The powerful configuration of can quickly fill your device. Save your charging time. D.?Dual USB Outport and Powerful LED Light?Makes it easy to charge two smartphones simultaneously or a tablet at full speed. 2 led lights can be used as flashlight. Five pilot indicators show the status of battery charger timely. Green light on when charging by solar, blue light on when USB charging. E?IPX67 Waterproof Safe Material? The outer case is made from flame-retardant ABS+PC material, tough and drop-resistant. The IPX67 waterproof silicone better protects the internal structure of the charger. comfortable touch, and exquisite appearance. F. [Multi-Purpose Outdoor Power Bank?portable solar charger is made IPX67 waterproof, dustproof, and shockproof. The built-in dual super bright flashlight and the included compass carabiner, are the ideal companion for outdoor enthusiasts.