Traxxas Control Box for the Easy Start 2 on the All traxxas nitro cars including Traxxas T-Maxx. Revo 3.3 This houses the 7.2V battery for the Easy Start, and provides the start button. Also for the Tmaxx 3.3 FEATURES: Black plastic construction. Green motor and glow plug led's. Red start push button. INCLUDES: Two easy start control box halves. REQUIREMENTS: 7.2V battery. Onboard easy start 2 components. SPECIFICATIONS: Length: 180mm (7.08") Width: 50mm (1.96") COMMENTS: This is for use with the Easy Start 2 (TRA5271)