MODEL: RM-S51
SONY AUDIO SYSTEM REMOTE CONTROL
P/N: 146694011
Originally supplied with models: FHB150, FHB500, FHB500K, FHB510, HCDH51, HCDH510M, HCDH51K, HCDH51M, MCH510, MHC150, MHC510, MHC510//M, MHC510M
Battery Required : AA Battery 2 pack
Dimensions: 2.00 x 6.00 x 1.00 (W x L x D, inches)