[Solar energy] The flashlight uses amorphous silicon solar panels, which can collect solar energy and bring out your scene. Amorphous silicon solar panels are environmentally friendly and economical. [Manual power generation] Amorphous silicon solar panels also support manual power generation to provide light energy. Shake the handle at a constant speed of 120 revolutions per minute, and the output power is 0.4W. Manual shaking for one minute can support lighting for about 5-10 minutes. [Rechargeable built-in battery & durable] 3.6V/40mAh built-in battery can be reused at least 800 times. The flashlight is made of high-quality plastic material, which is tough and wear-resistant, sturdy and durable, and has a long service life. [Small and portable] manual led flashlight is only 8.9 * 4.4 * 2.7 cm / 3.5 * 1.73 * 1.06 inches (length * width * height), compact and light, easy to carry, does not take up too much storage space, very suitable for outdoor use. [Strong light] The manual LED flashlight uses three high-brightness white LED lights, which can bring out your strong light, effectively drive out the darkness at night, and bring you a clear vision. Description: Material: ABS Size: 8.9 * 4.4 * 2.7 cm Light source: 3 LEDs Color: random delivery Function: hand crank and solar Lithium battery: 3.6V / 40mAH rechargeable battery Solar panels: amorphous silicon solar panels Package Included: 1x Solar flashlight Note: Due to the different monitor and light effect,the actual color maybe a slight different from the picture color. Please allow 1-2cm differs due to manual measurement.