Lizusidtsy Use number AA batteries(Battery not included, need to provide their own) Color temperature 6500k Effective range 0.5m Colour:black Material:plastic Size:6.6 x 8.1 x 2.7cm Package Contents: 1 x Fill light(Battery not included, need to provide their own) Only the above package content, other products are not included. Note: Light reflection 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 +/- 1-3cm.