ADL-RO4 Series


The ADL-RO4 is designed for suspension, ceiling or wall mounting applications and may be mounted individually, in perfectly aligned continuous rows, or in any combination of patterns. The 4″ diameter size allows for versatility and creativity in modern applications. ADL-RO4 series comes in direct, indirect, and direct/indirect distribution options. The series’ simple architectural lines make it an ideal luminaire for energy efficient applications where long duration operation is required.


OPTICS   LED optimized white ribbed acrylic lens.

LED  LED modules in 80/90 CRI @ 3 SDCM. L70= 50,000 hours.

DRIVER   Class 2 AOC driver, 120/277V input, PF > 90%, THD < 20 @ 120V. 0-10V dimming to 1%. -20C to +50C operating range.  Field replaceable. 

CERTIFICATION   Luminaires are cETLus listed conforming to UL STD. 1598 and certified to CSA STD C22.2 NO. 250.0. Suitable for dry & damp locations. Union Made in the United States of America. I.B.E.W. RoHS compliant.


  •  Specification
    .IES Files
  • ADL-RO4-DSpecification Sheets IE Files
  • ADL-RO4-DISpecification Sheets IE Files
  • ADL-RO4-ISpecification Sheets IE Files
  • ADL-RO4-D-WMSpecification Sheets IE Files
  • ADL-RO4-DI-WMSpecification Sheets IE Files
  • ADL-I-RO4-WMSpecification Sheets IE Files
  • LED Brochure
  • Tunable White

Made in USA

Day-O-Lite products have been designed and manufactured in our Warwick, Rhode Island facility for over 75 years. We are a founding member of the 'Made in USA' brand and our products are compliant with the Buy American Provision and the American Recovery and Reinvestment Act.

Custom Capabilities

Day-O-Lite offers a wide range of custom capabilities ranging from simple variants of standard products to complete custom design and fabrication. Our goal is to provide value-added customization services through advanced design, engineering and manufacturing technologies.

Customer Service

Day-O-Lite's focused mission is to deliver sustainable high-quality commercial lighting products, and outstanding, personalized customer service to our clients. Our team does so through a commitment to excellence, continuous improvement and technology at all levels of our organization.