1. Cable name: HDMI to RCA converter cable. 2. Cable length; 1m/3.3 feet. 3. Input port: 1 HDMI. 4. Output port: 1xRCA (yellow, white, red). 5.This product requires power via it's USB cord. You can use your device's USB port or any USB power adated to power it on. 6.Please pay attention to the direction when using, HDMI end connects the signal source, RCA connector connects to the TV. 7. Gold-plated interface, anti-oxidation and corrosion-resistant. 8. Convert HDMI digital signal to AV analog signal. This is a chip conversion. Packing quantity: 1xHDMI to AV conversion cable Note: Please do connect the power cable with 5V power first to make the unit work before connecting to other ports