Package list:
Silver Package 1= Silver TS400 tank chassis(9V 150rpm encoder motor)+ silver 6 Dof robot arm(with 6pcs MG996r servos)
Silver Package 2=Silver Package 1+ Wifi control kit
Silver Package 3=Silver Package 1+ Bluetooth control kit
Silver Package 4= Silver Package 1+PS2 control kit
The black package are same, just the color is different.
Note:
1: the product is unassembled. Pls visit the wiki.doit.am to see the manual. Or leave your mail box when order.
2. the package isn't included the battery.
TS400 Tank Chassis Parameters:
Size: 37.5*24*10.5cm (length * width * height)
Net weight: 1.43kg
Material: aluminum alloy
Track: engineering plastic (4.1cm wide, freely removable)
Control method: This shop has wifi, Bluetooth, handle control, need to purchase separately

MG996r Servo Parameters:
Compliant with most standard receiver connector: Futaba, Hitec, Sanwa, GWS etc...
Great for truck, Boat, Racing Car, Helicopter and Airplane.
Power Supply: Through External Adapter.
Stable and Shock Proof. - Metal Gear - Double Ball Bearing - Connector Wire Length 300mm
Dimension : 40mm x 19mm x 43mm
Weight : 55g
Operating Speed : 0.17sec / 60 degrees (4.8V no load)
Operating Speed : 0.13sec / 60 degrees (6.0V no load) Stall Torque : 13 kg-cm (180.5 oz-in) at 4.8V
Stall Torque : 15 kg-cm (208.3 oz-in) at 6V
Operation Voltage : 4.8 - 7.2Volts
Gear Type: All Metal Gears
Connector Wire: Heavy Duty, 11.81" (300mm)