Save electricity bill. Replace 50-60W Incandescent bulb by 7W LED, save over 85% on electricity bill of lighting. * Eco-Friendly. RoHS compliant. No lead or mercury. No UV or IR Radiation * Solid State. Shockproof and vibration proof * Reduce re-lamp frequency. Lifespan is over 30000 hrs. Save effort and maintenance costs on changing bulbs frequently * Easy Installation. Can be easily fitted instead of ordinary incandescent or CFL light bulbs