![Blue Logo](/data/static/assets/img/blue-logo.png)
![First Dali Logo](/data/static/assets/img/logo.png)
![Second Dali Logo](/data/static/assets/img/dali-2.png)
![Third Dali Logo](/data/static/assets/img/d4i.png)
![Fourth Dali Logo](/data/static/assets/img/dali-logo-plus.png)
The DALI Alliance (DiiA) provides accreditation for Test Houses, enabling these companies to offer testing services for DALI-2 and D4i certification.
(Where DALI version-1 testing is available, this is for update of existing products only.)
The DALI Alliance carries out accreditation by a combination of training, a written test and a practical test.
For information on becoming an Accredited Test House, please contact us.