Beach RC says.... 

The Traxxas TRX-4 Chevrolet K5 Blazer delivers scale appearance and detail like never before. The new LED Light Kit (#8038) takes scale realism to the next level with working headlights, tail lights, and side markers. Fully waterproof and built Traxxas-Tough, the LED light kit is ready for your wildest adventures. No matter where the trail leads, day or night, the TRX-4 Chevrolet K5 Blazer will light the way.

The Blazer light kit’s modular design make it easy to install and accessorize. The light kit includes all the necessary hardware and installation takes only a few minutes. Adding rock lights is easy thanks to the power block’s modular design. Make the most out of your K5 Blazer with a Traxxas LED light kit.

LED Light Kit (#8039)
The TRX-4 Blazer LED Light Kit uses the same #8028 Power Module as other TRX-4 light kits. The #8039 LED Light Kit provides a cost-effective solution to add lights to the TRX-4 Blazer by reusing the power module from previous installations.

Rock Light Kit (#8026X)
Traxxas LED Rock Lights #8026X install directly into the inner fenders and are positioned to help illuminate obstacles for trouble-free nighttime crawling. The kit includes two LED modules per wheel, ensuring a flood of light throughout the underside of the truck. Down lighting in the wheel wells combined with the headlight/taillight kit make it easy to see the orientation of the vehicle in the dark.