Specifications include, but are not limited to: The City of North Little Rock Hays Senior Center is seeking bids for materials and labor to upgrade Hays Center’s Ballroom Audio Visual technology and performance. The proposed audio-visual system must include the following elements: 3.1 Two (2) 8,000 Lumen Laser Projectors (NEC NP 803UL-41ZL or qualified equal) with the following specifications: Display Technology-0.76" LCD w/ MLA Light Output (Lumens)-8000 normal Lamp Life (up to)-20,000 hours Screen Size (diagonal)-50 to 500 in. / 1.27 to 12.7m Throw Ratio-Variable Projection Distance-2.5 to 68.5 ft. / 0.74 to 20.9m Projector Angle 10.3 to 10.8° tele / 13.7 to 14.5° wide Lens Zoom:Powered Focus:Power F number, F number:Variable Keystone Correction +/- 40° horizontal, +/- 40° vertical Native Resolution-WUXGA 1920x1200 Maximum Resolution-4K 4096 x 2160 Contrast Ratio (typical) 2,500,000:1 with light adjust Synchronization Range Horizontal (Analog/Digital)-Analog: 15-100kHz, Digital: 15-153kHz VerticalAnalog: 48-120Hz, Digital: 24-120Hz PC Signal Compatibility-VGA, SVGA, XGA, SXGA, SXGA+, UXGA, WUXGA, WQXGA Macintosh Signal Compatibility-Yes