XGIMI Halo Official Website Price: ¥96,800 High brightness of 600 ISO lumens / High-definition 1080p large screen Built-in battery (2.5-hour operation) / Convenient to carry Quiet operation / Low latency / High-durability LED light Autofocus / Automatic keystone correction (vertical) / Zoom function Equipped with two 5W speakers by Harman/Kardon Android TV™ installed Voice control compatible with Google Assistant I've used it for about a year, but not very often. There are no scratches, and there is some dirt, but it doesn't bother me at all. The operation was working perfectly fine.