# Stretch 4

> The Stretch 4 is a mobile manipulator from Hello Robot, intended for research and education. It is 160 cm tall and carries a camera and a LiDAR. It has a public SDK, a Python API and is compatible with ros2.

- Manufacturer: Hello Robot
- Form: Mobile manipulator
- Commercial status: Not disclosed
- Last verified: 2026-09-28
- Page: https://vuntum.com/en/robots/hello-robot-stretch-4

## Specifications

| Criterion | Value | Level of evidence | Source | Verified on |
|---|---|---|---|---|
| Reach (conditions = horizontal telescopic arm extension beyond the base, fully extended) | 52 cm | manufacturer statement | Hello Robot (pages produit officielles) | 2026-10-02 |
| Onboard compute | NUC | manufacturer statement | Hello Robot (pages produit officielles) | 2026-10-02 |
| Height | 1.6 m | manufacturer statement | Hello Robot (pages produit officielles) | 2026-09-28 |
| Hand type | modular | manufacturer statement | Hello Robot (pages produit officielles) | 2026-10-02 |
| Weight | 46 kg | manufacturer statement | Hello Robot (pages produit officielles) | 2026-09-28 |
| Locomotion type | wheeled | manufacturer statement | Hello Robot (pages produit officielles) | 2026-10-02 |
| Autonomous navigation (conditions = ROS 2 navigation stack stretch_nav2) | Yes | manufacturer statement | Hello Robot (pages produit officielles) | 2026-10-02 |
| Payload (conditions = Arm extended) | 2.5 kg | manufacturer statement | Hello Robot (pages produit officielles) | 2026-09-29 |
| Camera | Yes | manufacturer statement | Hello Robot (pages produit officielles) | 2026-10-02 |
| LiDAR | Yes | manufacturer statement | Hello Robot (pages produit officielles) | 2026-10-02 |
| Official simulation model | Yes | manufacturer statement | Hello Robot (pages produit officielles) | 2026-10-02 |
| MuJoCo simulation | Yes | manufacturer statement | Hello Robot (pages produit officielles) | 2026-10-02 |
| Python API (conditions = stretch_python_bridge package from the Stretch 4 ROS 2 repository) | Yes | manufacturer statement | Hello Robot (pages produit officielles) | 2026-10-02 |
| ROS compatibility (conditions = robot description (URDF) package exportable for use in ROS2) | ros2 | manufacturer statement | Hello Robot (pages produit officielles) | 2026-10-02 |
| Supported ROS 2 distributions | Jazzy | manufacturer statement | Hello Robot (pages produit officielles) | 2026-10-02 |
| Official SDK | stretch4_body | manufacturer statement | Hello Robot (pages produit officielles) | 2026-10-02 |
| Public SDK | Yes | manufacturer statement | Hello Robot (pages produit officielles) | 2026-10-02 |
| Teleoperation supported | Yes | manufacturer statement | Hello Robot (pages produit officielles) | 2026-10-02 |

“Not disclosed” means no information, not “no”. A level of evidence comes with every value.

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HTML version: https://vuntum.com/en/robots/hello-robot-stretch-4

Factual data: CC BY 4.0. Attribution: “Source: Vuntum (https://vuntum.com)” with a link to the page quoted. Editorial text: all rights reserved, short quotation with attribution.