12W Dimmable LED Downlight Light Source: COB LM-80 LED Chip CRI ＞82Ra Lumens: 850lm PF: 0.98 Beam angel: 45/60° Can be replace Halogen ceiling light 3 years warranty, Cutout size:70-92mm Suitable for leading / trailing edge , Universal and C-Bus dimmer . External dimmable optional driver Safety Assurance: SAA;C-Tick,CE＆RoHS