※[4-CHANNEL SPLICER] Spolehli video wall controller distributes one HDMI input(computer, laptop, computer, set top box, PS3/4, etc.) on 4 HDMI outputs (LCD TV, rear projection unit, monitor, etc.) simultaneously. | ※[8 SPLICING MODES] Multiple splicing mode: 2x2, 1x2, 1x3, 1x4, 2x1, 3x1, 4x1 satisfy diverse splicing needs. Made of metal material, anti-interference & corrosion resistance, ensures excellent heat dissipation performance and long service life. Gold-plated interface effectively reduces data transmission loss and improves signal transmission efficiency, no delay is displayed. | ※[1080P HD DISPLAY] Supports 1920 x 1080P 24/30/50/60Hz and below input. Support 1920 x 1080P@60Hz HD resolution output. Support Audio Formats - PCM 2.0, Does Not Support: Dolby Digital and DTS. Not Compatible with Samsung TV. | ※[180°SCREEN ROTATION] Support 180°screen rotation function, (Please notice rotation works ONLY in 2×2 mode & the input and output devices need to be no more than 1080P@60HZ ) allowing you to install displays in an orientation that has the thinnest edges. Edge masking function helps you to create a seamless large video wall. | ※[EASY TO SET UP & OPERATE] Plug & Play design, No driver needed. This video wall controller comes with a remote control(Batteries are Not Included), for easy operation. You can also push buttons on the controller directly to make adjustment. One-YEAR and WORRY-FREE AFTER-SALE problem solve.