The Unitree R1-A7 Smart C is the R1-A7 dual-arm humanoid in its Smart C package, and the question that matters most with any R1-A7 package is what sits at the end of the arms. Unitree gives the arm ends an interface that can be fitted quickly with different actuators, and offers three kinds: a two-finger gripper, a three-finger dexterous hand and a five-finger dexterous hand, with between 1 and 7 degrees of freedom per end.

Each 7-DOF arm carries 2–4 kg depending on how far it is extended, with ±0.1 mm end-clamp accuracy and up to 60 N·m at the shoulder. The joints use low-inertia inner-rotor motors, crossed-roller output bearings and dual encoders, with the wiring run inside hollow joints. A gripper suits pick-and-place and the handling of rigid parts; a dexterous hand suits tool use, in-hand manipulation and grasping research.

Which of those Smart C carries, and whether a wrist camera or a high-computing module comes with it, is itemised on the quotation. The eight R1-A7 Smart packages, A to H, share the robot described here and are sold as separate packages with different contents, so compare their quotations line by line rather than by letter.

The rest is the standard R1-A7: a fixed base with no chassis, a waist that turns ±150°, a 2-DOF head with a binocular camera and 10 TOPS of AI compute, 555 mm of forearm and upper arm, about 13 kg and 835 × 357 × 190 mm.

Key Capabilities

• Three end-effector types: The arm ends take a two-finger gripper, a three-finger dexterous hand or a five-finger dexterous hand.
• Quick actuator changes: The end interface is designed to be fitted quickly with different actuators.
• 2–4 kg per arm: Payload depends on how far the arm is extended, with up to 60 N·m at the shoulder.
• ±0.1 mm end-clamp accuracy: Dual encoders on the arm joints support precise, repeatable positioning.
• Seven joints per arm: The spare joint lets the elbow move clear of obstacles while the hand holds its pose.
• Smart C hands on the quotation: The end effector supplied with Smart C, and any wrist camera or compute module, is listed item by item.

Buying through Robotix Market

This unit is sourced new through established distribution channels and ships worldwide with the full manufacturer warranty. Technical support is coordinated with the manufacturer's own service network. Deployment scope, configuration, and commissioning responsibilities are agreed as part of the quotation — on-site installation is not included in the product price.