Device Object¶
| Value | Type | Description | 
|---|---|---|
| ip* | string | Specifies the IPv4 address closest to the device. | 
| language* | string | Alpha-2/ISO 639-1 code of browser language, for example,  | 
| ifa* | string | The ID for Advertisers (IFA) in clear text (i.e. not hashed), for example Apple’s IDFA or Android’s Advertising ID. Note: This field is required for in-app requests. The Apple IDFA is usually uppercase, and the Android Advertiser ID is usually lowercase. For example: | 
| dnt* | integer | Do not track. 
 | 
| ua* | string | Browser or application user agent string, for example,
 | 
| js* | integer | 
 | 
| w* | integer | Physical width of the screen in pixels. | 
| h* | integer | Physical height of the screen in pixels. | 
| os* | string | Device operating system. | 
| osv* | string | Device operating system version, for example,  | 
| lmt* | integer | Limit Ad Tracking. Signal commercially endorsed (e.g., iOS, recommended Android): 
 | 
| pixratio* | float | The ratio of physical pixels to device independent pixels, for
example,  | 
| devicetype* | integer | Device type as defined by OpenRTB. | 
| geo* | object | Geo Object as derived from the device’s location services, or supplied by the Supplier if the device IP is missing. See Geo Object for more information. | 
