Formovie THEATER Ultra Short Throw 4K Laser Projector （Grade B Product）Note: Grading Criteria for Grade B Devices (Whole Unit): Grade B Inspection Item: Standard Definition (All graded devices must power on normally and boot into the UI interface.) Physical Condition: Minor scratches (signs of use; imperceptible scratches); no dents, dings, or paint chips. Lens Condition: Lens exterior is intact; lens glass exhibits no imperceptible scratches. Free repair for quality issues within 90 days from the date of receipt (no