Product Features: 3 HDMI in and 1 HDMI out, a great solution to have multiple game systems or other sources attached to HDMI port easily. Auto-switch and manual-switch, when one device is active, the switch will automatically detect and display it. HD resolution up to 1080P (1920x1200) and support 3D, audio formats: LPCM, DOLBY AC3, DTS7.1 and direct stream digital. Wide compatibility work for PS3, PS4, TV Box, ROKU 4, Blu-Ray/DVD Player, amazon stick and other devices with HDMI port. Cable length 50 cm, no extra power needed, and gold-plated connector resists corrosion, providing rigidity and better signal performance. Specification: - Material: Plastic + Copper - Size: 55x8x2cm What's in the box 1 x Andowl - 4K HDMI Switch Adapter - Video and Audio