1. and Improved HD Projection Adjustable Focus This upgraded planetarium projector features a larger projection range and faster focus adjustment, making the starry landscapes 50% brighter, larger, and sharper than classic models. Turn the focus knob to get vibrant, truetolife colors and crisp images. 2. Intuitive 4Button Control Auto ShutOff Function Simplify your operation with onetouch settings: power timer (1 hour/2 hours/4 hours) rotation off dualspeed galaxy spin. Stop the swirling galaxies immediately or switch between the dynamic motion modes. Adjust the ambiance in seconds—set the timer (14 hours) for automatic shutoff and fall asleep under a worry starry sky with our night light projector! 3. 360° Rotation Improved Projection Distance and Surface With the 360° rotation function, you can easily change the projection angle. The projection distance ranges from 1.510 ft / 0.53 m. The maximum projection area for this improved star projector is 255 ft/24 m (50% larger than the classic version). It is recommended to use it in a dark environment.