Ambient Lantern Cordless Crystal Table Lamp-Where longevity and craftsmanship meet, the Ambient Lantern Lamp is composed of a cylinder crystal lamp and a metal cage. Pure in form and reassuringly firm in texture. Embedded with a touch sensor to complement a variety of occasions.Using Mantar’s unique technology, Lantern is a cordless lamp embedded with a touch sensor, that one can adjust its light color output in 3 settings to compliment a variety of occasions. Dimmable Inspired by the gentle light of a lantern, it change the light color from the rich warm orange color to the warm light bulb color in three stages, expressing exquisite light color and brightness. Soft Light The combination of the transparent crystal glass shade and the soft light that changes subtly according to the dimming level brings an ambient and high-quality gorgeousness on the spot. Full Charge Can Be Used Directly The table lamp can be lit for up to 8 hours after charging for 4 hours. Specifications: Material: Aluminum Size: 16.5cm Height, 8.9cm Diameter Weight: 1350g (3 lbs) &lrm;Rechargeable lithium-ion battery: 3.&lrm;6 V / 1500 mAh Battery run time (h):8 hours Light Source: LED 1900K-2500K Color Temperature Dimming: 3 stages Charge Time: 4 hours Package Includes: Lamp (no assembly required) and USB charger Frequently Asked Questions Question: Can this be used just with the cord plugged in and without the battery? Answer: The lamp will work even when plugged in with the batteries drained. Therefore you can definitely use it plugged it and never worry about recharging it. Question: What is the color temperature of this lamp? Answer: The LED in the lamp is touch adjustable to 2900K (warm), 4000K (neutral), 5000K (white) color temperature settings. Question: Can the battery and LED be replaced? Answer: You do not need to worry about replacing the battery or the LED in the lamp but in the case that you wanted to, you may change the battery as it is replaceable. The LED in the lamp is irreplaceable. NOTE:The package does not provide replacement batteries, which need to be purchased separately.