Razor MX500 and MX650 Control Module - OEM Razor 36 Volt Controller for MX500 (V21+), MX650 (V14+) Dirt Rocket and Razor EcoSmart Electric Scooter Authentic Razor 36 Volt 30 Amp Controller for the MX500, MX650 and Eco Smart. The control module is version specific. See below if it is a match for your Razor Product. Razor Control Module for the Razor MX500 Dirt Rocket (Versions 21 and up). Razor Control Module for the Razor MX650 Dirt Bike (Versions 14 and up). Razor Control Module for the Razor EcoSmart Electric Scooter.