Description: Brand: DOITProduct: Smart Robot Car Chassis Board: 200*300mm Thickness: 3mm Bearing Weight: about 20kg Motor: 37 Compiled Motor Rated Voltage: 12 V Rated Current: 360m A Rated Power: 4.8 W Motor Type: Brush Stall Current: 2.8 A Stall Torque: 10kgf.cm Rated Torque: 1.0kgf.cm No-load Current: 11000rpm Reducation Ratio: 1:30 Compiler Type: AB Hall compiler Voltage: 5.0 V Interface: PH2.0 Note: the product is unassembled Package:1* Robot Car Chassis Kit 4* Omni Wheels 4* 37 Compiled Motor