1. More soft and safety: Book reading light with Led light source, no flickering, no dizzy light, no shadow, avoiding eye fatigue. 2. Flexible to be adjusted: Yet strong enough to stay in place so that you can always get the best light. 3. Curved light guide: Strong and flexible gooseneck arm that moves in as many as directions as needed. 4. High quality materials: Reading lamp is made of high quality plastics to ensure better heat dissipation, which leads to a longer service life for many hours. 5. Safe and environmentally friendly: This clamp desk lamp is no lead or mercury. As an LED, it uses less electricity than conventional bulbs, which means a lower electricity bill and a lower carbon footprint. Features: 1. More soft and safety: Book reading light with Led light source, no flickering, no dizzy light, no shadow, avoiding eye fatigue. 2. Flexible to be adjusted: Yet strong enough to stay in place so that you can always get the best light. 3. Curved light guide: Strong and flexible gooseneck arm that moves in as many as directions as needed. 4. High quality materials: Reading lamp is made of high quality plastics to ensure better heat dissipation, which leads to a longer service life for many hours. 5. Safe and environmentally friendly: This clamp desk lamp is no lead or mercury. As an LED, it uses less electricity than conventional bulbs, which means a lower electricity bill and a lower carbon footprint. Description: The unique curved diffuser design makes full use of the light source next to it, allowing softer light to be spread evenly on the surface. Specifications: Color: black MaterialsPlastic Voltage:3V Size: 250 * 30 mm Switch type : button type Light source power: 1W Power Supply:1*CR2032 button battery(Included) Package Included: 1 * Mini Book Clip Light Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Please allow slight dimension difference due to different manual measurement.