Portable Dynamo Hand Crank Flashlight for Outdoor Sports, Mountaineering, Black : 3 LED bulbs: This LED flashlight white bulbs that will provide high brightness Easy to use: LEDs after turning the handle several times, it is possible to generate up to 30 lights with 1-minute cranks : No mains power is required, making this flashlight extremely convenient Savings: thanks to the built-in generation device, based on the principle of friction electrification, which can automatically generate electricity, greatly saving energy and protecting the environment Wide application: suitable for home, camping, picnics, hiking, walking, cycling, climbing and other outdoor activities; place it in your car, kitchen drawer, bag, backpack Specification: Material: ABS, sizes: Silver: 14.05 cm x 5.4 cm x 4.8 cm/5.53 2.13 1.89 inch Black: 8.6 cm x 5.2 cm x 3 cm/3.39 2.05 1.18 inch contains: 1 flashlight with hand crank Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.