# Limits

Tuya Smart platform has the following usage limitations.

| Item                              | Description                                                                                              | Limit |
| --------------------------------- | -------------------------------------------------------------------------------------------------------- | ----- |
| Product quantity                  | Maximum number of products that can be created on the Tuya Smart platform                                | 500   |
| MQTT message length               | Maximum length of an MQTT message sent (MQTT messages exceeding this length will be directly discarded.) | 10 KB |
| Created family quantity           | Maximum number of families that an account can create                                                    | 20    |
| Family member quantity            | Maximum number of members that can be added to a family                                                  | 20    |
| Room quantity                     | Maximum number of rooms that can be created for a family                                                 | 20    |
| Home device quantity              | Maximum number of devices that can be added for a family                                                 | 120   |
| Home device group quantity        | Maximum number of device groups that can be created for a family                                         | 20    |
| Scene quantity                    | Maximum number of scenes that can be created for a family                                                | 100   |
| Automation quantity               | Maximum number of automations that can be created for a family                                           | 100   |
| Room device quantity              | Maximum number of devices that can be added to a room                                                    | 50    |
| Device quantity in a device group | Maximum number of devices that can be added to a device group                                            | 100   |
| Scene action quantity             | Maximum number of actions that can be added in a scene                                                   | 150   |
| Device schedule quantity          | Maximum number of schedules that can be added for a device                                               | 30    |
| Automation action quantity        | Maximum number of actions that can be added in an automation setting                                     | 150   |
| Automation condition quantity     | Maximum number of conditions that can be added in an automation setting                                  | 10    |

## Others <a href="#title-0-others" id="title-0-others"></a>

| Item                | Description                                                                               | Limit |
| ------------------- | ----------------------------------------------------------------------------------------- | ----- |
| Product Number      | The maximum number of products that can be created on the Tuya IoT platform               | 500   |
| MQTT message length | The maximum length of MQTT message. Message requests exceeding this size will be rejected | 10 KB |

## Notice <a href="#title-1-notice" id="title-1-notice"></a>

• The above usage limit may be adjusted for external reasons, subject to the final release.

• Some of the upper limit of numbers are related to each other. In a situation the upper limit of A is not reached, but the upper limit of B is reached, it might have effect on the maximum number of A.

• OEM App is currently unrestricted