[Features] Wifi Smart Model: Support mobile phone APP "Smart Life" and "Tuya Smare" control; smart App functions: 1. Color module: You can switch the water ripple color, brightness level, and color saturation. 2. Timing module: set the automatic shutdown time 3. Smart control: Use smart speakers, such as Amazon Echo, Google Assistant, to control product on/off, Choose a color, adjust brightness, and more. 4. Sound control mode: The light will flash according to the change of external sound or music rhythm. [product information] Product Name [Shell material]: ABS engineering plastics [Configuration]: 1 meter USB cable LED: water pattern RGB three-color + combined color [Laser wavelength]: 515nm (class 1) Output voltage:DC5v Output current:2A Projection area:20-80m Rated output power:7.5W Colour: Black Packing list (you can get after purchasing one item): Ambient Star Projector Lamp*1 Please understand: 1. Due to the long shipping time, the item may be damaged during the shipping process, if the item is damaged, please leave us a message through the official website immediately before posting comments, and I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3cm. 3. Colors may vary from monitor to monitor.