This is replacement Remote Control N2QAYB001031 Fit for Panasonic DMP-BDT175 DMP-BDT271 DMP-BDT174 Blu-Ray Disc Player DP-UB420 UB820 BDT270 DMP-BDT271 DMP-BDT171 DMP-BDT170 DMP-BDT166 DMP-BDT165 DMP-BD833 DMP-BD83 This remote have been tested before shipping out. No programming or pairing needed, just install new alkaline batteries can work.