Φ50*H78.5MM; 15W 1500lm version customized for option; Brilliant light output powered by CITIZEN COB with consistent color temperature ; More light output and less weight to save much freight cost; Multi-beam angle option ; Save 70% on your electricity lighting bills when you change a 50 watt Halogen light with our X3-A downlight ; Compact module compatible with standard MR16 KIT or EVOLITE stylish kit; Original heat sink design technology with professional thermal design; Dimmable LED driver,connected by quick connecter; Impressive 50,000 hours system lifetime, 3 years warranty ; Replace MR16 halogen 50W downlight with 80% ennergy saving ; Compact size suitable for various application .