Amazon.com: Traxxas 8990 Complete Waterproof LED Light Bar Kit with App Controlled Functions and Amplifier for 1/10 Scale Maxx RC Monster Trucks : Toys & Games
Traxxas Link - Apps on Google Play
Traxxas Link - Apps on Google Play
Installing the Traxxas Bluetooth adapter - How to use the Traxxas Link app with a TRX4 - YouTube