First: A robot with significantly more capability then anything on the market before this market was created.

Publicly purchasable: can be bought with a credit card, no wait-list or restrictions.

Humanoid robot: must be human sized and have a torso, legs, arms, and fingers. Must include some kind of intelligence (example: can open a door automatically)

Built in: can not be circumvented by running compute locally or taking some kind of manual control. Jailbreaking doesn't count.

Object interaction restrictions: the robot will not interact with an object such as a gun or knife. Normal looking gun/knife.

No taping an object to the robot. Or putting a basket over it's head Skyrim style