... , Neutral White: 4000-4500K, Cool White: 6300-6800K Warranty: 2 yearsELECTRIC BULB, LAMP LED LAMPAdvantages1,Environment friendly, no mercuryand or ... other hazardous materials.2,high light efficiency, 90% of the electronic energy transfer ... , hotel, bar, market etc. 1. LED type: SMD 3W 2.Glass and aluminum heat sink 3. Isolating power supply 4 ...