This device will allow you to send back your flight battery voltage to your radio to allow you to set up low flight battery voltage warnings. You receiver will need to have a sensor port I used the FlySky iA6B receiver in my video.
Please see link below if you would like to purchase the item. This is an affiliate link so I would make a small commission if you purchase via my link this would help me produce more content for my channel. You will pay no more for the product, thank you.
I did purchase the FlySky FS-CVT01 Voltage Telemetry Sensor with my own money.
FlySky FS-CVT01 Voltage Telemetry Sensor
www.banggood.com/custlink/vKv...
Thanks for watching.
Happy flying.
/ billclark