Lemonbest Dimmable 12W Panel Led Downlight Square Recessed Lighting Fixture Kit Warm White saving energy; outer size: 172*172*15mm (L*W*H); Open hole:D 147mm/5.8inches Input Voltage: AC 100V-245V; Warm White(2600k-2800k); 100,000 hours lifespan 60pcs super bright SMD3528 Led; well-controlled beam angle; low power consumption Safe and easy to install, no warm up time required, no noise and no flickering, no IR and UV radiation Factory direct sales; 48 hours aging time, 5 steps strict quality control; Lemonbest high quality standard