SEPARATE WHITE / RED LIGHT MODE - It features separately controlling white and red dual color LED lights. White lights for reading, red lights for navigating or mood light. Simply press LED head backside rocker switch to switch light mode.STRAIGHTFORWARD DIMMING CONTROL - Using high reliable mechanical push switch, short push lamp base switch for on/off control, press & hold switch to adjust brightness, from bright lights for reading to low ambient lights for laid-back mood.SUPER FLEXIBLE AND DIRECTIONAL - The lamp base stem allows a 350 horizontal rotation and the head supports 90 vertical adjustment, directly point the light to reading pages or working area, without disturbing your roommate.PRACTICAL LAMP BASE USB CHARGER - The lamp base was equipped with USB charger port, supports charging for smart phones, tablets or other mobile devices. It will continue to charge devices when lamp was turned off.WELL CRAFTED & VERY DURABLE - This lamp fixture were made of full aluminum and copper material, whole lamp has excellent anti corrosion performance. Could be also used in marine boat yachts, and where any DC10-28V power present. NOTES: If the existing mount cutout is larger than 1-3/8", please add a cover plate to install the lamp. Cover plate (ASINB08L3KLYD7) sold separately.