BenQ LK830ST DLP projektor 3840x2160 4K UHD/4000 ANSI lm/3 000 000:1/2xHDMI/USB/Jack/RS232/RJ45/repro 15W Projektor, 4K UHD, 4000 ANSI lumenu, laserový zdroj, projekcní pomer 0,5, IP6X utesnení, DLP, 16:9

Display Projection System DLP Single 0.65” DMD type 4K UHD Native Resolution 3840 x 2160 Brightness 4000 ANSI Lumen Contrast Ratio* 3,000,000:1 Display Color 30 Bits / 1.07 Billion Colours Aspect Ratio Native 16:9 (5 Aspect Ratio Selectable) Light Source Laser Light Source life** 20,000 (Normal) / 30,000 (Eco) hours Optical Throw Ratio 0.496 Zoom Ratio Fixed Keystone Correction Vertical & Horizontal ±30 degrees Projection Offset 114.0% Projection Size 70" ~ 300" Audio Built-In Speaker 15W x1 Special Feature Security Security Bar, Kensington Lock Features 24/7 operation, 2D Keystone, Corner Fit, LAN Control, FW upgrade via USB, FW upgrade via OTA, White Balance Adjustment in Factory, Optional Filter with Switch Compatibility Resolution Support VGA (640 x 480) to 4K UHD (3840 x 2160) Horizontal Frequency 15K ~ 135KHz Vertical Scan Rate 23 ~ 240 Hz HDTV Compatibility 720p, 1080i, 1080p, 2160p Video Compatibility 480i / 576i, 480P / 576P, 720@50P / 60P, 1080@50i / 60i / 24p / 25p / 30p / 50p / 60p, 2160@24p / 25p / 30p / 50p / 60p Power Power Consumption Max 250W / Normal 230W / Eco 130W Standby Power Consumption Normal < 0.5W Power Supply 100 ~ 240V AC Dimension and Weight Product Dimensions (W x H x D) 279.2 x 120.5 x 229.3 (mm) Product Weight 3.4 Kg ± 100g Operation Condition Noise Level (Normal / Eco) 30 / 24 dBA Operating Temperature 0 ~ 40°C Accessories Accessories (Standard) Remote Control, AAA Battery x2, Power Cord (by Region), QSG, Warranty Card (by Region), Regulatory Statements, Power Adapter Accessories (Optional) Filters (Back and Right), Filter Case