Modern Square Led commercial lighting for office Library Warm cool changeable led bar light Ceiling Lamp 4-6 pcs study LuminariaBrand Name: svitz Is Bulbs Included: Yes Light Source: LED Bulbs Power Source: AC Voltage: 90 260V Install Style: Surface mounted Style: Modern Base Type: Wedge Material: PVC Plastic Number of light sources: 4 Switch Type: Touch On Off Switch Application: Study Lighting Area: 15 30square meters Technics: Painted Finish: Iron Is Dimmable: No Usage: Industrial Warranty: 2 Model Number: kaihuangdeng 40598 Features: commercial lighting Certification: