Product material: PS+ABS material, light source type LED+laser, light source power 8 (W), voltage 5 (V) Bluetooth starry sky projection lamp, RGBW (red, green, blue and white) + laser, USB power cable (mobile power, mobile phone adapter) The light source is warm and soft and does not hurt the eyes. She is not only attentive but more intimate. The water pattern effect in four colors red, white, blue and green + the combination of red and green lasers create a warm atmosphere effect. The remote control can control the color of the water pattern, the speed of the water pattern and the water pattern, etc. The lighting atmosphere creates an artistic style, a desire for life aesthetics, four bright color dynamic water pattern + red and green stars decorate your home quietly, illuminate your home, illuminate your life Note: Manual measurement, there may be slight size differences, but the effect is not large, please rest assured to buy