@digitalpersona/devices/dist/api/docs/devices.devicetechnology.md

DigitalPersona Security Devices support library

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## DeviceTechnology enum

A fingerprint reader technology (a method of scanning)

<b>Signature:</b>

```typescript
export declare enum DeviceTechnology 
```

## Enumeration Members

|  Member | Value | Description |
|  --- | --- | --- |
|  Capacitive | <code>2</code> | The reader uses changes of electrical capacitance of a finger skin. |
|  Optical | <code>1</code> | The reader uses an optical image of a finger skin. |
|  Pressure | <code>4</code> | The reader uses changes of a pressure under the finger. |
|  Thermal | <code>3</code> | The reader uses a thermal image of a finger. |
|  Unknown | <code>0</code> | The method of scanning is unknown. |