Product Description Product Precautions: Power Delivery by Cable Length: The maximum supported current of this flat USB extension cable varies depending on the length of the extension cable, so please select the appropriate size for your camera’s power needs: 10 FT/3 M – max.5V 3A, 9V 2A 15 FT/4.5 M – max.5V 1.5A, 9V 1A 20 FT/6 M – max.5V 1A, 9V 0.8A 30 FT/9 M – max.5V 0.8A, 9V 0.5A As with any USB-A extension cable or outdoor camera extension cord, longer cables naturally introduce more resistance, which can reduce current and slow down charging speed.Reliable Power Output : Final power output depends on your adapter, the original cable, and the extension length.If any part of the setup supports a lower current, the total output will follow that limit.This weatherproof USB extension cable is suitable for many compatible setups, including use as a Wyze extension cord, Wyze Cam extension cable, Google Nest camera extension, Ring camera extension cord, and Blink Mini extension cable.Power-Only Design : This is a USB extension cable for power supply only.It does not support data transfer, video signals, audio signals, USB communication, syncing, or display output.For indoor or covered outdoor use, protect connection points from rain, snow, and standing water.