Description: Two control modes: wifi and bluetooth Designed from the ABB model by the similar principle. Connected by the good bearings, which can make the arm move with the smallest friction. Best choice for the teaching, function realization, and so on. Specification: Material: Aluminum Alloy Color: As Picture Show Length: 330mm / 12.99inch A WIFI 996r B WIFI 3218 C Bluetooth 996r D Bluetooth 3218 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 996R servo: Operating Speed : 0.17sec / 60 degrees (4.8V no load) Operating Speed : 0.13sec / 60 degrees (6.0V no load) 3218 servo: Operating Speed: 0.17sec / 60 degrees (4.8V no load) Operating Speed : 0.13sec / 60 degrees (7.2V no load) Package Includes: 1 Set Mechanical Arm Bracket 1pc G6 Claw 7pcs Steering Gear 1 Set WIFI or Bluetooth Control Kit