Description: A7 7-DOF Robot Mechanical Arm Kit with 996 Servo For . Full Metal Construction: Hard Aluminium Alloy for high quality and durable character. 7-DOF structural design can make the robotic arm move flexibly, so it can grab objects in any direction. The joint of robot arm is connected by good bearings, which can make the arm move with the smallest friction. It consists of 7pcs Servo, which enable the robotic arm move stably, accurately and flexibly. Great for learning DIY robotics, electronics, programming and Python programming. Specification: Material: Metal Color: Black Size Chart: Servo parameters: Compatible with most standard receiver connectors: Futaba, Hitec, Sanwa, GWS, etc. Ideal for truck, boat, racing car, helicopter and plane. Power supply: through the external adapter. Stable and shockproof. -Metal gear-double ball bearing-300mm connector cable length Dimension: 40mm x 19mm x 43mm Weight: 55g Operating speed: 4.8 seconds / 60 degrees (no V load) Operating speed: 6.0 seconds / 60 degrees (no V load) Stopping torque: 13 kg-cm (180.5 oz-in) at 4.8 V Stopping torque: 15 kg-cm (208.3 oz-in) at 6 V Operating voltage: 4.8-7.2 volts Gear Type: all metal gears Connector cable: heavy duty, 11.81 "(300mm) Package Includes: 1 Piece Robot arm frame 1 Piece Clamp 7 Pieces Servo 996