Weatherproof Design: exterior designed to protect internal components from rain, snow, dust, insects, humidity, and salt air powder-coated rust-proof aluminum exterior for strength and durability heat dispersion system keeps the unit cool and dry in temperatures up to 122 degrees F designed to operate in cold weather (-24 degrees F) water-tight cable entry system seals out moisture and allows for easy hookup rear IR receiver (located in the cable-entry compartment) weatherproof remote control Picture: 43 screen (measured diagonally) 4K screen resolution (3840 x 2160 pixels) High Dynamic Range (HDR10) for extended picture contrast and brightness with HDR sources commercial-grade high-brightness (700-nit) screen with TruVision™ anti-glare technology direct-lit LED backlight 60Hz screen refresh rate pre-configured OptiView™ Day and Night modes optimize picture quality settings with a single touch Video Source Compatibility: tuner receives over-the-air HDTV broadcasts ( antenna required) Clear QAM tuner decodes unencrypted digital cable signals up to 1080i without a set-top box (subscription required to receive cable channels) Connections: 2 HDMI 2.0 both inputs are HDCP 2.2 compatible for connecting to copy-protected 4K video sources to view the highest-quality 4K and HDR content from connected sources, use a compatible high-bandwidth HDMI cable HDMI 2 input supports ARC 1 component video (3.5mm A/V minijack — adapter cable required) 1 composite video RF input for antenna/cable signals PC input built-in HDBaseT receiver with RJ45 connection accepts 4K/30Hz video, audio, and control signals over a single CAT-5e/6 cable Toslink optical digital audio output 3.5mm stereo minijack input for use with the PC input 3.5mm stereo minijack output for connecting a sound bar or stereo system 2 USB ports (one for connecting a thumb drive for photo/music playback, one for powering/charging devices) Ethernet jack (for IP control) 3.5mm jack for RS232 serial control General Features: made in USA dimensions: 38-15/16W x 22-15/16H x 3-5/8D weight: 40 lbs. TV does not come with a pedestal stand; matching SunBriteTV SB-TS-S-S1-BL all-weather stand is sold separately TV does not include built-in speakers (optional weatherproof speaker bar SunBriteTV SB-SP472-BL sold separately) wall-mountable (bracket not included, see Accessories) VESA mounting hole pattern: 200mm x 200mm MFR # SB-S2-43-4K-BL