Astrolabe projector lamp. Input interface: Type-C. Wire/USB cable length: 100cm. Rotation speed: first gear: 1.8 revolutions/minute. Product material: ABS+PC. Astrolabe projected area: 20-40 square meters. 1. Turn on the power. 2. On/off button: press the switch button once, the motor rotates at a high speed for 1.5s and then enters the first speed, the RGBW light is blue by default, the two special effect lights are turned on and the special effect light 1 is in a breathing state, and the breathing time is from dark to bright. 10s, from light to dark is also 10s, the special effect light 2 is always on. 3.RGBW light button: Click the RGBW light button to adjust the light combination, the light color sequence is blue, red, green, white, blue red, blue white, blue green, red green, red white, green white, blue red green , blue-green-white, blue-red-green-white, color gradient. After adjusting the 14 light colors, Finally, press to turn off the light, press again to return to the first light color, and press and hold to adjust the brightness of the light. There are a total of 7 brightness levels. When you press and hold the light to adjust the brightness, each brightness pauses for 1s. 4. Special effect light button: Click the special effect light button to turn on two special effect lights (it is turned on by default when powering on). After the special effect light 1 is turned on, it will be in breathing light mode. The special effect light 2 is always on, click the special effect light button again, only the special effect light 1 is turned on, click again, only the special effect light 2 is turned on, press it again to turn off the two special effects The effect light function, press it again and turn it on at the same time, the operation is repeated. 5. Music button: Click to open the built-in music, press to switch to the next built-in music, a total of five music, switch to the last one and then press to turn off the music. 6. Automatic timing function: In order to use the product better, the product will automatically shut down after 4 hours of work. If there is a scheduled operation during use, the product will switch to the scheduled shutdown.