Savox SW0241MG+ 1 5 Waterproof Servo 40kg 0.17 Tactical On Cold Engine StartF2 Hobby Master On Cold Engine StartF2 BrakeF3 Single Horn (Playable)F4 Double HornF5 Light Engine ModeF6 Coasting (Manual notch Down if F22 On)F7 Speed LockF8 On Sound Fade Out Off Sound Fade InF9 Flange Squeal (Speed Related)F10* Fan NoiseF11 Buffer UpF12 CouplingF13 Stationary Guard’s Whistle Moving DetonatorsF14 Wagon Snatching & Buffering (Speed Related)F15 High Intensity Light (If Fitted)F16 Red Tail Lights On Both Ends (Non Directional)F17 Marker Lights On Both Ends (Non Directional)F18 Cab Light On No Based on the BFGoodrich Krawler T A KX symmetric tread design This servo is the perfect addition to your 5th scale truck or buggy The SW 0240MG is a waterproof high torque