DooBuy Lithium CR1220 Coin Type 3V Micro Lithium Cell for DVR & Watch,Pack of 5 Battery  (Pack of 5)

8K HD HDMI-Compatible Female to HDMI Compatible Female Extender, HDMI-Compatible short cables are connected into one HDM cable, which can realize longer-distance transmission, easily solve the problem of insufficient decoration/pre-embedded cables, extended transmission signal stability 3D shocking visual effects, creating high-definition home theater, 3D stereo imaging technology, smooth color transition, vivid restoration of natural pictures, as if you were on the scene HDMI-Compatible2.1 supports up to 8K@60HZ, 7680*4320 resolution, the resolution is four times that of 4K, and the resolution of human eyes is 4.3 times that of the human eye without feeling grainy at close range. Not afraid of the stable extension of the distance, conference speeches are more convenient to extend the HDM cable, which is suitable for connecting high-definition projection screens Support multiple modes, copy mode: display the same screen, watch a movie/conference on a big screen; expand mode: display different screens on two screens, work and entertain at the same time; spliced large screen: multiple displays are spliced into a large integrated display Aluminum alloy material shell protection, fast heat dissipation, wear resistance, anti-fingerprint, strengthen computer protection A wide range of compatibility, support DP interface output and monitors, such as notebook computers, desktop computers, game consoles, projector lamp equipment.