Detailed Product Description LED Office Table Lamp with 60LEDs fixed on a PCB as tube, alumunuim heat ... ,000~4,000hr10,000~8,000hr8,000~4,000hrEnergy saving and environmentLatest Light source,energy savinggreat power consumption,many governments have ... VoltageHigh DC VoltageHigh AC VoltageHigh AC VoltageHigh AC VoltageAttention: The electric antishock of LED lamps are the top grade,Grade III.