The HALO RL Series Contractor Pack includes 4 RL Canless LED Downlights and 4 New Construction Smash Plates-an all-in-one solution that helps lower material costs while streamlining installation and code compliance. Designed for fast, high-quality results on any job, these products are built and backed by the most trusted name in recessed lighting. The HALO RL Series Canless Downlights provide customizable lighting with a 6-position switch for selecting between 5 color temperatures between soft white (2700K) and daylight (5000K) or the Dim-to-Warm setting, smoothly adjusting from bright white (3000K) to cozy candlelight (1800K) with a compatible dimmer (sold separately). Installer-friendly smash plates include built-in measuring scales and V-notches for precision. Designed and tested in the USA, HALO has been the contractor's choice for nearly 70 years and remains North America's leading recessed lighting brand. Products are backed by US-based customer service and a 5-year limited warranty. Material: Aluminum.