Bulbs is Included Technics: Painted Power Source: AC Warranty: 2 Material: Metal Number of light sources: 4 Lighting Area: 10-15square meters Certification: UL/CQC/ROHS//ce/FCC/EMC/CCC/VDE/SAA ITS NOT Dimmable Knob switch Switch Type: Touch On/Off Switch Switch Type: Remote Control Switch Type: Sensor Switch Type: Other Finish: iron Light Source: Energy Saving Voltage: 90-260V