Shunt wound controller designed to fit E-Z-Go PDS440 Amp Compact and lightweightRegenerative braking and contactor-less motor reversingSeparate armature and field current limitsThermal protectionProduct Description Navitas puts you in control of industry leading technology with this Bluetooth compatible 440 amp EZGO golf cart controller!Fits EZGO TXT golf carts with the PDS (Power Drive System) **PDS carts have the forward & reverse switch on the dash**Not sure which year or model you have Check out our Golf Cart Identification GuideHERENavitas Dashboard iPhone or Andriod app allows the user real time access to performance and diagnostic dataUsing the App you can also Lock Out and Disable the cart for additional securityImproves speed and torqueCompatible with stock motor, solenoid, and existing wiringPlug and play installation with included wiring harness adapterAllows for speeds up to 23 mph with stock 18″ tiresMore torque means better hill climbing capability with 22″ or 23″ tires