Acer HL6810ATV Standard throw projector 4000 ANSI lumens DLP UHD 4K (3840x2160) White

Acer HL6810ATV. Projector brightness: 4000 ANSI lumens, Projection technology: DLP, Projector native resolution: UHD 4K (3840x2160). Light source type: Laser, Service life of light source: 20000 h, Service life of light source (economic mode): 30000 h. Focus: Manual, Focal length range: 16.88 - 21.88 mm, Zoom ratio: 1.3:1. Serial interface type: RS-232, HDMI connector type: Full-size, USB connector type: USB Type-A. Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)