This EIKI EK-625U projector has been used for a total of 241 hours. It's a great option for large venues. Note that it doesn't come with a lens. Included are the correct power supply and a durable road case for easy transportation. However, there's a known issue - the HDMI input doesn't work.

To use this EIKI EK-625U projector, first connect the correct power supply. Since it doesn't have a lens, you'll need to attach one if you want to use it. When setting up for a large venue, find a suitable location and adjust the projection settings as needed. Remember, the HDMI input doesn't work, so use other available connections. For maintenance, keep the projector in a clean and dry place. After each use, let it cool down before packing it back into the road case. This will help extend its lifespan and keep it working well for your future events.