1.Super energy -saving:Energy saved up to 60% 2.Release negative ion to fresh the air 3.5W=40W Conventional Incandescent Bulb LED Energy saving lamp Feature of the LED Energy saving lamp 1.Super energy -saving:Energy saved up to 60% 2.release a large number of negative ion to fresh the air,keep people health 3.Replacement: 5W Equal 40W Conventional Incandescent Bulb, 5W Equal 15W Energy saving Bulb. 4.Base Type: E26/E27/B22 5.Lifespan: 50,000hrs, Easy Installation, No Maintenance 6.One years guarantee, If there is any problem,We will change for free Type Parameters Model Name LED Energy saving lamp Working environment -20 40°C Luminous 180-360lm LED Quantity 42-84Pcs 5mm strawhat led Super energy -saving Energy saved up to 60% CertificatesCE&RoHsInput voltageAC90-110V/AC180-240VNegative ionfresh the airpower3-6WLifespan50000 Hours