This HDMI Converter may be required where you only have an HDMI input available on your TV and wish to connect a wired or wireless nest box camera kit. This AV-HDMI converter can be used to convert standard CVBS AV cable ends like the ones found on Gardenature's standard nest box or wireless receiver connections. The Mini AV2HDMI product converts RCA/Phono video & audio (yellow & white) plugs into an HDMI termination, also up scaling the image signal to optional 720p or 1080p (60hz) Please note: A spare USB port is required on your TV to power this HDMI converter. Specifications Output port :1x HDMI (HDMI lead not included) Power: USB (cable included) Input port: 1x CVBS/RCA Red/white/yellow