Features:- Supports 4 HDMI input, 1 HDMI output- Support 4 HDMI signal screen segmentation- Support 4 HDMI signal seamless switching- Switch between 1080P/60Hz and 4K/30Hz, 4K30Hz (RGB) and backwardcompatible.- SupportHDM1.4, HDCYT-.4 and backward compatible.- HDMI input and output transmission distance:high speed HDMI cable canreach up to 15M.(HDMlcable 19and 1,28AW)- Support IR control- Power Supply: DC 5V2ASpecifications:Support HDMresolution: 24/50/60f5/4K30HZ/1080P/1080i/720p/576p/576i/480p/480iSupport video color format: 24bit/30bit/36bit.Support audio output format: LPCM,PCM2Max bandwidth: 330MhzMax bandrate: 10.2GbpsInput/Output TMDS signal: 0.5-1.5V p-p(TTL)Input/Output DDC signal: 5Volts p-p(TTL)Input cable distance:15mAWG24 HDMI standard cableOutput cable distance:24mAWG24 HDMI standard cableMax working current: 5V/0.6AOperating Temperature range: (-15-and55C)Operating Humidity range: 5 -90%RH(No Condensation))Dimension : 148 x 63 x 23mmPackage Included:1X HDMI 4K Multi-viewer1X Remote Control(NO BATTERY)1X USB Power Cable" Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.