Non-dimmable,Pack of 10 Warm White 4w Ceiling light Lumen:100Lm/w;Beam Angle:60;Cut-out:2.3 inch Long lifespan:Thanks to the LEDs, the LED lamps have a lifespan of about 50,000 hours and hold approximately 50 times longer than a normal light bulb. Eco-Friendly: RoHS compliant. No lead or mercury. No UV or IR Radiation Wide range of usage:The recessed lights can be integrated into furniture or walls to create a warm and friendly atmosphere.