... : 3 prong.Warranty: one yearCompatible Part No :Acer 0227C19120, 316687-002, 316688-001, 317188-001, 344895-001, 346958-001, 350221-001 ... , 76-010502-00, 76-011201-25, 91.47Y28.002, 91.49V28.002, AP.13503.002, CS.14D25.011, DR910A, DR910A#ABA, HP-OW120F13 ... ,UL,FCC,KC,CUL,PSE,C-TICK,MEPS ROHS,GS,EMC,SMARK,ROHS,REACH,WEEE