It’s Smart freely, you want it how to turn it on how to turn, which meet your various needs.The intermediate links Department can rotate 150 degrees .the joints can rotate 360 degrees .And the expand the lamp arm can be used as floor lamps, a light is multi-purpose ( height up to 615mm)Product SpecificationsBrand Name: TEB Lamp Holder/Base: 830MM/20MMInput Voltage : 220vLamp Holder: 830MMMaterial: High-grade metalShape: RoundLight: LEDCorrelated Color Temperature:5500K-6000K nature lightUsage: LightingDETAILTable lampIts Smart freely, you want it how to turn it on how to turn, whichmeet your various needs.The intermediate links Department can rotate 150 degrees .the joints can rotate 360 degrees .And the expand the lamp arm can be used as floor lamps, a light is multi-purpose (height up to 615mm).Features:1.Fashionable shape,noble and fine workmanship gives people amazing visual satisfaction.2.Environmental protction and Energy Saving:Adapt the latest semiconductor lighting energy