The H1 is a full-size, 47 kg machine — unbox and assemble it with two people and keep the area clear. The official SDK guide walks through the power-on sequence, remote control pairing, and high-level motion services; follow the joint-calibration steps before any dynamic movement.

If you're buying used, ask the seller for the service history and verify the firmware version against the docs hub. Cosmetic scuffs on the shins are normal for lab units; joint torque faults are not — run the diagnostics in the developer docs before you pay.