Optoma ZH350ST 3500 lumens

Compact short throw Full HD laser projector   The ZH350ST is one of Optoma's most compact and hassle-free Full HD 1080p DuraCore laser projectors to date. Designed for maintenance-free continuous operation, this 3500-lumen projector delivers powerful image performance with flexible installation features and extensive connectivity options in a sleek, compact form factor.Energy-saving DuraCore laser technology ensures a long product lifespan of up to 30,000 hours without the need for additional lamps, requires minimal maintenance, and is mercury-free, further lowering its carbon footprint.  The ZH350ST has a short throw lens meaning it can be positioned less than a few feet from any wall. For ultimate convenience it comes with an RS232 connection for monitoring and controlling and a built-in speaker. __