Hobbywing XeRun AXE550 2700KV & AXE FOC ESC V1.1 System Combo This is a combo set that includes a brushless sensored AXE V1.1 ESC and a AXE550 motor made for crawlers. Applications: Vehicles: 1/10 Rock Crawlers Motors: Only XeRun AXE Series ESC Specifications: Brushed/Brushless: Brushless Sensored/Sensorless: Sensored Waterproof: YES Cont./Peak Current: 60A/360A Input Voltage: 2-3S LiPo, 6-9S NiMH BEC Output: 6V/7.4V Switchable, Continuous Current of 4A (Switch-mode) Input Wires: 12AWG 200mm Output Wires: No Input Connectors: XT60 Output Connectors: No Size: 47.4 x 36.2 x 24.6mm Weight: 82g ESC Programing via: Programming & Firmware Updates: Supported through the HW Link APP on your Bluetooth enabled Smartphone only SET Button on ESC: Not Supported LED Program Box: Not Supported LCD Program Box: Not Supported WiFi Express Module: Not Supported Programming Port: Built-in Bluetooth AXE550 Motor Specs: Poles: 4 KV rating: 2700 LiPo: 2-3S No-Load Current: 2.7A Diameter: 36 mm Length: 66.2 mm Shaft Diameter: 5 mm Weight: 289 g