Electrical Kit Fits Razor MX350/MX400

4-Pin Electrical Kit for the following Razor models: MX350 Dirt Rocket, Versions 33 and up MX400 Dirt Rocket, Versions 33 and up Note: Model versions can be determined based on your 8-digit product ID code. The product ID code can be found on the battery cover and/or on the bottom of the frame. The last two digits are the version number (e.g. 01=version 1, 02=version 2, etc.) Electronic items are non-returnable Compatible with Razor Part #: W15128030164 Controller: 24 Volt 30 AhModel No: ZK2430-D-FS-ROHS Twist Throttle: Wire Length: 31 inches