... . Luminous Efficiency:>80lm/W 4W LED spot light spec: 1. Power Consumption4.5W2. LED Qty 4pcs 1W LED3. Main MaterialAluminium ... Warranty2 years12. Luminous Efficiency:>80lm/W Feature of LED spot light1.Light body was made of high thermal conductivity ... and stability7.No radiation, no flicker ,no ultravioletApplication of LED spot lightvilla, meeting room, office, school,hospital,residential lighting ...