USB LED Lamp for Camping, Hiking, Fishing ,Hunting, Backing and Orther Activities,portable USB Bulb for Emergency, Blackouts and Children Bed Room (warm-white) With a plastic hook on the top of the bulb(environmental protection) Cord Comes with Switch, no need to plug and unplug the USB port Highly durable - shatter, shock, and vibration resistant. Powered by any USB source, such as power bank, computer, laptop, It's a necessary tool for your home and outdoor camping.