High brightness COB light source,Bright and efficient, environmentally friendly and energy-saving, long service life Flame retardant grade PC,Made of environmentally friendly materials, and odorless The scale is clear and clear,The is smooth and dry, matte color, and the appearance is more advanced Compact size,Convenient design without burden,Just with you when you go out, suitable for all kinds of places Product Name: Color Temperature Meter Switch type: button type Power supply method: battery Product power: 3W x 12 Product use: Professional level lighting color temperature Light source type: COB light source The product appearance and printed words depending on the batch, but this does not affect use. Colour:Black Material:PC Package Contents: 3 x Portable Color Temperature Stick 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.