I got a letter to renew it by mail and it's good for 5 years.
__________________
Application Sent - 9-22-2012 (Sent by Attorney)Phoenix
Date Biometrics scheduled-10-31-12 Walk-in:10-9-12
APPROVED: 10/25/12-Date of EAD received -10/31/12
DACA Renew: 821D 9/25/14, EAD 9/26/14