xtf2015 Super Bright Ultra-thin LED Panel Light Ceiling Lamps Recessed Light Fixture Kit with Led Driver-12W Round, Cool White 6000-6500K, 6.7" Diameter Outer size: round (ca.170mm). Open Hole: round (ca.150mm) 60pcs super bright SMD 2835 Led; Well-controlled beam angle, energy saving light. Safe and easy to install, no warm up time required, no noise and no flickering, no IR and UV radiati Operating voltage: AC85V -265V. 100,000 hours lifespan Package Include: 1 * LED Panel + 1 * LED transformer