Manufacturer: Optoma, Product type: Professional laser projector, Model: ZH401E, Projection technology: DLP®, Brightness: 4600 ANSI Lumens, Resolution: Full HD 1920×1080, Light source: Laser, Contrast ratio: 300,000:1, Throw ratio: 1.4:1 ~ 2.24:1, Built-in speaker: 15W, Connections: HDMI, USB-A, RS232, RJ-45, Audio Out, Color: White. The Optoma ZH401E professional laser projector delivers an exceptionally sharp and bright image with a brightness of 4600 ANSI Lumens, suitable for meeting rooms, educational institutions, businesses, and professional work environments. Includes a long-lasting laser light source, Full HD resolution, economical operation, and minimal maintenance.