Tri-Color LED Ring Light

The specification of the power input that a product accepts, including connector type, voltage, and current characteristics. It may describe AC mains ranges, DC supply voltages, USB or PoE inputs, or other power sources. The value is expressed as free text to accommodate various formats such as "230V 50Hz", "12-57V (DC outlet, passive PoE or 802.3af/at)", or "Micro‑USB DC 5V".

The measured distance between two opposite surfaces of a material or component, expressed in a linear unit such as millimeters or inches.

The length of time for which the manufacturer guarantees that the product will be free from defects in materials and workmanship, typically expressed in years or months.