Flexible and Durable Arms: Made of high quality silicone rubber, the lamp has durable and flexible arms, you can easily choose the best angle according to your different needs. Light Mode: Spotlight-Flash-Dual Light Portable: The thermometer weighs only 90g, it is foldable and takes up little space, it fits easily in your backpack or suitcase, convenient for travel. Bright light for easy reading without disturbing your partners sleep. Material: PPR+PS Color style: black, pink, blue, green Lamp beads: 4*5LED Power supply: 2*AAA batteries(not included) Lumen: 80lm Working time: 5-20hrs Voltage: DC 3.7V 800MA 2.96WH Packing list: 1 neck lamp (black) Easy to use: Hang it around your neck, enjoy your reading in a bunk bed or in the car or on a night flight. Sweat resistant, perfect for use at your workout, barbecuing or as a reading and sewing light.