RMDX153
P/N: 147329911, Use Sony RMDX15 for substitute.
Originally supplied with models: CDPCX1, CDPCX153, CDPCX153U, RMDX153

Battery Required : AA Battery 2 pack
Guaranteed Compatible Universal : Anderic RRU401, Use code: 4243, 4244, 4164, 4244... (click here for programming instructions)
Dimensions: 2.00 x 6.00 x 1.00 (W x L x D, inches)