metal alloy arms that are flexible yet sturdy, allowing easy positioning in any angle and shape for a full range of lighting options. Adjustable clips that grip objects of different thicknesses securely. The clip tail includes a small independently rotatable part to widen the clamping range and ensure a firm hold on items. Multiple power supply modes: USB powered or three AAA batteries (not included). When plugged in, the internal battery power is automatically cut off; when unplugged, the unit powers on via the battery and the control button. Bright, versatile LED lighting: the lights attached to the batteryoperated clipon unit provide brightness comparable to three standard LEDs. The dualarm switches offer flexible configurations: one light on one arm, both arms on, or all lights on, with no flicker, shadow, or glare, designed for comfortable reading. Practical use scenarios: Reading in bed at night with focused, glare illumination. Clipon lighting for desk or study workspace, enabling adjustable light on different angles. Clipon lighting for crafts, bedside desks, or other small surfaces where adjustable, hands light is needed.