Roku Express Media 4K Streaming Device - Jet Black

Indicates whether a device supports HDCP (High‑bandwidth Digital Content Protection), allowing it to play or display protected digital content on compatible screens and audio/video equipment.

The specific version of the HDMI standard that a product supports, such as "2.0", "2.1" or "1.4b". This value indicates the capabilities and compatibility of the HDMI interfaces on the device.

The electrical current drawn by a device when powered, expressed in amperes (A). It indicates how much current the product consumes from its power source during normal operation and helps determine compatibility with power supplies or USB ports.

The electrical voltage that a device is designed to operate at, expressed in volts (V). It may represent a single nominal value or a range indicating the minimum and maximum supply voltages compatible with the product. This attribute helps users verify that their power source matches the device’s requirements.