RUDDOG GPS/GNSS Speed & Performance Analyzer VS4-10 stable tail lock and long

stable tail lock and long working time

The CROSSRC EMO X4 is a completely new off-road pickup with a rugged design

Sleek design follows the chassis contours

Fast Flash: It is a built-in 4M flash (recording time 6 hours)

The switch position is reasonable

RUDDOG GPS/GNSS Speed & Performance Analyzer VS4-10 stable tail lock and longOverview The RUDDOG GPS GNSS Speed and Performance Analyzer is the perfect tool for enthusiasts of RC cars and aircraft who want to optimize the performance of their models. The Bluetooth device is operated via the new Ruddog Performance smartphone app, available for Android and iOS devices. The compact module records data on speed, acceleration, G force, and altitude, among other things, so you can find the perfect gear ratio or propeller size for