Product Description: The LED light requires no external power supply, it takes power from the inserted USB port directly, and it was easy to transport small size, light weight and is, and you can store in a briefcase or folder, it is suit for laptop and desktop computers. Feature: 1-watt LED light stick with 10 bulbs Rated for 20,000 hours of operation Can power supplies or a USB port are supplied with power 9-inch, you can see around objects snake-like bendable cord Long-lasting light for anyone outdoors Color: black Product parameters: Interface: USB Power Input: 5V, 125mA Power Draw: 1W Bulb Quantity: 10 Operating temperature: 0-120 F (-17-48 C) Dimensions: 17x25x0, 25 in (40,5 x0, 6x1, 2cm) Weight: 1.4 oz (0.05 kg) Product packaging: 1 * 10 LED Light USB Flash Drive