It's been opened, but hardly used. The price is significantly lower than the list price. [Product Description] Dustproof, automatic obstacle avoidance, auto screen alignment, auto focus ① 24-hour after-sales service: support@iwimius.us; iWIMIUS's first self-developed design model; Dolby Digital dual 10W speakers; Auto focus, automatic keystone correction, intelligent screen alignment and obstacle avoidance; Two-way Bluetooth 5.3 and WiFi 6; Fully sealed optical engine; HDMI ARC HDMI ARC and HDMI CEC; Ultra-silent mode; WPS screen mirror function Communication/Connection Interface: 3.5mm jack, Bluetooth, HDMI, IR, USB, Wi-Fi [Native Resolution] 1920 x 1080 [Display Maximum Resolution] 3840 x 2160 pixels [Display Type] LCD [Form Factor] Desktop/Portable [Lens Mount Type] Ceiling mount/Tabletop mount/Wall mount/Floor mount [Paper Whiteness] 28000 lm [Color] White [Controller Type] Button operation, remote control [Compatible Devices] Game consoles, speakers, smartphones, tablets, laptops [Contrast Ratio] 8000:1 [Maximum Projection Distance] 5 meters [Light Source Life] 100000 hours [Maximum Image Size] 200 inches [Hardware Interface] 3.5mm audio, HDMI, USB 2.0, Ethernet, Bluetooth [Management Method] Remote [Minimum Projection Distance] 1.1 meters [Minimum Image Size] 40 inches