Reading lamps for books in bed: More scientific optical angle design, suitable for long time reading without causing eye fatigue. LED night light: New lighting structure design, flat panel lighting, precise design angle, the light is only in the reading position, especially suitable for reading in bed, does not affect the rest of others. Adjustable brightness: The brightness can be adjusted, the initial brightness is suitable for reading, and the design is very high. The brightness area is suitable for close lighting when students are walking at night. Easy to carry: Lightweight and portable design, easy to carry and store, perfect for campus, parks, garden, dark places to read and learn, and can be used as a bookmark. Energy saving: More energy saving, longer use time, low voltage, ultra-bright and personalized LED lights, low power consumption, only use 3 AAA (#7) batteries, durable use for more than 50 hours. Note: The data is all manual measurement, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object received.