Features:  Rechargeable LED Adjustable Clip Lamp Light Eye Protection Flexible Night Light  20 SMD LED lights、 low-carbon、 environmental protection Keys using the most advanced touch technology、 pretty and dustproof Press and hold the sensor button for three seconds、 automatically adjust the brightness of the lights Charging 6 hours、 sustainable use of 6 to 15 hours (different brightness、 different duration)   Specifications: Light Source: 20pcs LED Voltage: 4.5V Material: Plastic Switch Type: Touch Button Battery: Lithium Ion   Package Included: 1 x LED Book Light