1. LED quantity: 28 single LED white light or warm white light or blue, etc

2. Lamp holder: E27 , B22, E14.

3. Voltage: 110V or 220V

4. LED parameters: 2200-2500MCD/PS, 2500-9000K/1800-2000MCD/PS, 2500-9000K/1000-1400MCD/PS, 7000K above