1.Product size: 12.3x12.3x10.8CM 2.Material: ABS+AS+PET+ electronic components 3. Packing: color box 4. Accessories: USB cable 5. Power supply mode: built-in 1200 mAh 18650 lithium battery, this product can be charged (the product is equipped with a USB cable) 6. Input voltage: DC5V 7. Product power: 6.9W 8. The weight of a single product (including color boxes): 0.33KGS When the projection lamp is in any lighting condition except the 3 second gradient color, long press the corresponding key, the light will change from 100% to 5% light and then stop, long press the corresponding key again, the light will change from 5% to 100% , And so on. The projection light has a memory function, and the light that is switched on and turned on after the shutdown is determined according to the brightness of the last dimming. (Except for the 3-second gradient color) The charging time of this product is about 3 hours, and the use time is 2 hours. When charging, the indicator light is steady red, and when it is fully charged, the indicator light is steady green.