Short Throw Laser Projector. Yaber Laser Projector K300s Features: Recommended Projection Size - For the best viewing experience, we recommend using a projection size of 40-120 inches. Exceeding this range may affect the quality of your projected content, and the display quality may vary based on product usage habits and environmental conditions. Throw Distance Adjustments - The throw distances mentioned are estimations and may differ in actual usage scenarios. Adjustments may be required based