So like 4 weeks ago I got my traxxas TQi radio, reciever, and docking base from ebay for 60 bucks and ive been looking around for some telemetry sensors. I wanna get them from my lhs. but I dont know what i need for the RPM, Temp, and voltage sensors. I know that I just need the traxxas connector for the voltage, but i dont know what I need for the rpm/speed sensors. all i know is i need a telemetry ready gear cover. I really want to know what i would need so could you awesome guys out there help me please.

Thanks,
rcman