Name: Ceiling Light Bulb Type: LED Chip (Included) Diameter: 18cm Voltage: AC220V Power: 12w This lamp includes 3 light colors: warm/cold/nuetral (turn off and then on to change the light color). Installation Method: Wall-mounted installation Color: gray Material: Iron + Oak + Acrylic Size: 18 x 10 cm Package Contents: 1 * Lamp Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.