DT200 Double Decker Tank ESPduino WIFI RC Robot Tank Compatible With Arduino UNO R3There are six kinds for your choice:A: Gold ChassisB: Gold Chassis + Espduino kitC: Gold Chassis + NodeMcu Lua kitD: Silver ChassisE: Silver Chassis + Espduino kitF: Silver Chassis + NodeMcu Lua kitSome usefull links:ESPduino link (including doitcar Arduino firmware):http:\/\/bbs.smartarduino.com\/forumdisplay.php?fid=142-way !#!amp!*!amp; 16-way motor shield:http:\/\/bbs.smartarduino.com\/forumdisplay.php?fid=23APP and how to use the car:http:\/\/bbs.smartarduino.com\/forumdisplay.php?fid=16Installation for tank chassis:http:\/\/bbs.smartarduino.com\/forumdisplay.php?fid=21Introduction: This tank chassis named T200 can be controlled by ESPduino development kit、 which is completely compatible with Arduino UNO R3 attached with WIFI module. When you get it、 you can remote control the tank chassis by using the WIFI mode after you install the car chassis. By using ESPduino development board kit、 you can control the 2-way motor and 16-way servos at the same time. So、 this kit is usually use to control the mobile robot arm. Specifications: Name: ESPduino T200 Intelligent track car\/tank chassisMaterial: aluminum alloyWheel: metalTrack: plasticProduct size: about 300*220*55mm (length * width * height)Weight: 1400gColor:golden yellow\/silverControl mode: WIFIControl distance: about 100m. Motor Parameters: Name: 25mm gear motorOutput speed: 150!#!amp!*!plusmn;10%rpmNo_load current: 200mA (Max)Stall current: 4500mA(max)Stall torque: 9.5kgNaNRated speed: 100!#!amp!*!plusmn;10%rpmRated torque: 3000gNaNRated current: 1200mA (Max)Noise :56dBWorking voltage: 9VOutside Shaft Length: 14.5mmShaft End Play: 0.05-0.50mmScrew Size: M3.0Diameter Of Shaft phi 4mm、 D3.5Encoder: 2pulses\/circleWorking voltage for sensor: 3-5V Note: For the shipping convenience、 the tank\/car chassis is not assembled.Track can be connected by any length with a needle. Package included: 1 x Tank\/ Car Chassis (including motor)1 x ESPduino development board1 x 2-way !#!amp!*!amp; 16-way servo shield