[Home](./index.md) > [@digitalpersona/devices](./devices.md) > [DeviceUidType](./devices.deviceuidtype.md) ## DeviceUidType enum Fingerprint device types. Signature: ```typescript export declare enum DeviceUidType ``` ## Enumeration Members | Member | Value | Description | | --- | --- | --- | | Persistent | 0 | The fingerprint device is embedded and cannot be removed. | | Volatile | 1 | The fingerprint device can be removed. |