Product Features: Dimmable LED bulb; Dimming Range : 0% - 100% ; AC dimmable or DC dimmable; Top quality LED driver adopted as light source; With high light-efficiency and long life time; Low power consumption and high brightness; Safe and environment friendly; With delicacy and top grade appearance; Specially used for commercial indoor lighting; Complied with CE, RoHS standard. Applications: 1. Replacement of traditional incandescent lamp, more energy-efficient. 2. Suitable for home and public places lighting and decoration. 3. Widely used as high-end lighting sources in villas, luxury hotels, meeting rooms, exhibition halls, shopping malls, counters. Note: 1. Not dimmable and can not be used in the dimmable lamps. 2. To ensure the power is off before the lamp replacement. 3. This product is for indoor use only. 4. Please consult the electrician for any question about the installation and using. Function parameters: Input Voltage: AC110? AC230V Work Frequency: 50-60HZ Dimmer function 0-100% Power consumption: 9W Lamp Cap E27/ GU10/ E14/ E17/ E26 LED efficiency: 90-100LM/ W LED quantity: 18pcs Color Rendering Index: > = 75ra Light Source Color: 2700-3500K, 5700-6500K, RGB Lumimous Flux: 720-830LM Viewing Angle: > = 120Degree Power factor: > = 95% Operating lifespan: 50, 000hours