JoyRay IM888A Foldable USB Rechargeable LED Desk Lamp with Calendar and Thermometer Cool white- Warm white- Natural, three colors temperature modes available. Reduces eye fatigue. Touch switch dimming function. Slide your finger to adjust 5 steps dimming Energy Efficient LED Desk Lamp that will reduce energy spending by 80% and up to 30,000 hours life. Eye-Comfort Illumination - Reflective, flicker-free LED lighting helps prevent glare and reduces eyestrain Detached structure for small packing, with clock/ alarm/ calendar(Time /Date /Month)/ thermometer