MODEL: RM-U521
PN: 169302311
FOR: SONY AUDIO SYSTEM
Originally supplied with models: CDXU404, R5200, R5300, R5320, R5320SS, R5420, RMU521, SATB3, SEN521, SEN521CD, SEN531CD, SSU521AV, SUS5320, TAAV52, TAAV531, TAV531
Battery Required : AAA Battery 2 pack
Dimensions: 2.00 x 6.00 x 1.00 (W x L x D, inches)