Battery-operated and rechargeable portable table lamp. It has an electronic control system that ensures constant luminous flux until the battery runs out. A customized multifunctional touch-control allows adjusting the color temperature to 2700K (warm white), 3150K (cool white) and 4000K (bright white) and to set or bypass the 4-step dimmer function. The integrated LED module specifically engineered and mounted in the metal shade produces controlled down light. The head of the lamp, which is screwed onto the stem, can be converted to be a magnetic attachment that allows the head to be attached and detached in seconds to become a flashlight or a portable emergency light. Also, the base of the lamp is designed to be attached to a desk or table 4.6" width at bottom x 5.2" width at top x 12.9" height 3 Color Temperature settings: 2700, 3350 or 4000K 4-Step touch-dimming 100%-60%-30%-6% Long life - up to 58 hours on lowest setting Call-to-table feature for restaurant use USB charging cable included 3W 250lm LED 90CRI Suitable for outdoor use