Futaba 4GRS(4-CHANNEL TELEMETRY SYSTEMS? Comes with R304SB Receiver included Everyone – from hard-core crawlers and scalers to competition boaters and racers – who demands the most from their radios will find that the 2-stick 4GRS meets and exceeds every requirement. Telemetry functions relay critical information to a graphic LCD screen. Extreme off-roaders will appreciate the dual ESC mixing for locking diffs, four-wheel steering and independent brake mixing. And the jog dial/button layout makes navigating menus quick and easy. Overview 2.4GHz telemetry (T-FHSS) plus S-FHSS. Receiver voltage. External voltage, temperature and rpm display with optional sensors. S.Bus2. 4WS mixing. Dual ESC mixing. Digital trims. Front/Rear independent brake mixing. 40-model memory with 10-character model naming. Anti-skid brake system. Graphic LCD with backlight and contrast. Idle-up. Throttle speed, cut, acceleration, expo and neutral selection (5:5/7:3). Steering speed and expo. Dual rate. EPA (End Point Adjustment). Programmable mixing. Function select dial/switch. Fail safe on all channels. Timer (up/down/lap). Data transfer. Throttle and steering stick tension and angle adjustments. Throttle stroke adjustment. Ball bearing throttle and steering sticks.