Key Features: QuickTune One Touch Programming New HD Solder Post Design 3rd Channel Input for On-The-Fly Drag Brake Adjustments Adjustable Torque Control Adjustable Throttle and Brake Frequencies High Voltage Programmable BEC HotWire Programming Port Data Logging Capability Sensor Checker On-Board Temperature Indicator ESC Self Diagnostics with Error Codes Fully Proportional Forward/Brake/Reverse Brushless and Brushed Motor Drive Sensored or Sensorless Operation LiPo Safe with Custom Voltage Cutoffs Sensor Plug for Precise Commutation Lightweight Chassis Design HDAC: High Density Copper PCB's Ultra-smooth and Precise Throttle and Braking Control Overview: The RS GEN3 SPEC is designed for SPEC racing and offers professional performance at an affordable price. Packed with the latest hardware and HotWire programmable features like Data Logging, the RS SPEC gives you the tools and control you need to win. True ROAR SPEC mode with no timing or boost features with easily identifiable "blinky mode" LEDs. Rated for 13.5T and higher 540-size brushless motors, the RS SPEC is the ultimate in SPEC racing performance!