Needed to Complete Nothing! Everything you need is included in the box.
(1) 1/18 LaTrax Teton 4WD Monster Truck RTR
(1) Latrax 2.4GHz Radio
(1) 370 Brushed Motor
(1) Waterproof, All-Weather Electronic Speed Control
(1) 6V 5-cell NiMH battery
(1) Wall Outlet Charger
(4) "AA" Batteries for Transmitter
(1) User Guide

1/18 LaTrax Teton ProGraphix® multi-colored painted body
Powered by Traxxas for award-winning performance and support
All-weather electronics, including the waterproof electronic speed control (patent pending)
Four-wheel drive for superior off-road versatility and grip
Powerful motor for aggressive acceleration and exciting speed
Ready-To-Explore with included 6-cell 7.2V NiMH battery pack with iD™ and AC wall charger
Fully independent suspension for exceptional off-road handling and control
Smooth, Oil-filled shocks dampen the suspension motion
Front and rear gear differentials
Metal ring and pinion gears
Simple and efficient shaft drive
Durable construction that's built to last