This is the Tekin FX-R Brushed Electronic Speed Control. This is a Forward/Brake/Reverse Speed Control. FEATURES: Easily access all programming, anywhere anytime On board temperature indicator PC interface for custom programming (Tekin HotWire required) Solder posts for easy wire replacement Self diagnostics and factory reset Pit tune mode Digital glitch filtering QuickTune one touch programming One touch radio calibration Programmable features: Drag brake - 13 steps Neutral width - 13 steps Current limiter - none, 12 steps Push control-anti drag - 13 steps Throttle profiles - 7 choices Brake profiles - 7 choices Reverse type - 3 steps Reverse strength - 13 steps Voltage cutoffs - none, 2S, 3S, custom 120 day limited warranty INCLUDES: One FX-R Brushed Electronic Speed Control Two 1x1" pieces of servo tape Three 4.5" long zip-ties Three Tekin logo decal sheets in various colors REQUIRES: Installation following the included instructions SPECS: Input Voltage: 4-9 Cells/2-3S Lipo Motor Limit: 12 turn On Resistance: 0.0012 ohms BEC: 6V/3A Dimensions: 1" x .8" x .4" (25mm x 20mm x 10.2mm) tlw 12/7/07 ir/jxs