Brand Name : LIQIPower Source : DCVoltage : ≤36vCertification : ce,FCC,ROHSOrigin : Mainland ChinaBody Material : ABSItem Type : Desk LampsIs Bulbs Included : YesIs Dimmable : YesLuminous Flux : 249-2000Is Smart Device : YESHign-concerned Chemical : NoneLED beads: 2835 beads in total, 12 beads (6 white+6 yellow)Light color: white and yellow dual colorBattery capacity: 600mAhBattery life: 6-80 hoursLamp head size: 90 * 22 * 9mmGooseneck length: 20CMInput voltage: 5v1APower; 1WLuminous value: 80 lumensLamp bead color rendering index: 90%Color temperature: 3000K~6000KBeam angle: Wide cone 120 degreesFunction: Brightness increase, gear switching, brightness decreaseGear: 3rd gear (3000K warm white light, 4500K natural light, 6000K white light)Brightness adjustment: Off press, 10 levels up and down, long press, infinite dimming