Revolt Key Open, if require you can Change Battery, If Remote Range Reduce | RV 400 Remote Key INFO.

in case if Remote key is not working you can change the battery first
maybe the battery is dead and stop working
so better to change the battery first
Revolt 0% Battery ? Don't worry ! क्या होता है जब बैटरी होती है 0% पर? | Testing Range? Speed? ?
• Revolt 0% Battery ? Do...