Vivitek DH4661Z Laser Projector Compact Size Laser Projector Ideal for Corporate Meeting Room With impressively vivid colours and a high brightness of 5,000 ANSI lumens, the DH4661Z offers the next generation of advanced laser light source technology. Designed lamp-free, it provides a low cost of ownership, with minimal maintenance, and gives a stable, high-quality projection for up to 20,000 hours. The DH4661Z offers an immersive big-screen experience with an unbeatable return on investment. 5000 ANSI lumens of brightness, 1080p resolution, and 20,000:1 contrast ratio for clear, crisp and bright projection. Great flexibility with 1.65x zoom lens and manual horizontal and vertical lens shift. Image adjustment is made easy with 4 corner corrections, horizontal and vertical keystone corrections. Built-in 2x 5W audio speakers with multiple audio interface to ensure your message is well heard. HDBaseT interface for HD video and audio over long signal transmission. DICOM Simulation Mode for medical training and seminars. Compatible with NovoConnect Solution for wireless presentation and collaboration. Eco friendly with automatic turning off function when there is no signal input for a period of time. Video Compatibility: SDTV (480i, 576i) / EDTV (480p, 576p) / HDTV (720p, 1080i, 1080p), NTSC (M, 3.58/4.43 MHz), PAL (B,D,G,H,I,M,N) SECAM (B,D,G,K,K1,L). Noise Level: 36dB/34dB (Normal/Eco. Mode)