1. The light arms are crafted from quality metal alloy, offering exceptional flexibility and hardness. They can be adjusted to any position and shaped as desired, providing a wide range of lighting angles. 2. Multiple power supply options: The bed reading light features versatile power modes. It operates via AAA batteries or USB cable and can also be plugged directly into a DC power source. Disconnecting the plug resumes battery operation—simply press the button again. (Note: Batteries are not included; three AAA batteries required.) 3. Adjustable clips: The rechargeable reading light comes with adaptable clips that securely grip objects of varying thicknesses. A small rotating component at the clip end expands clamping range for enhanced stability. 4. Versatile lighting: The LED clipon light functions like three standard LEDs. The dualarm design allows lighting—singlearm, dualarm, or all lights—with flicker, shadow, and glare illumination tailored for reading and diverse needs.