Low power consumption makes the power is enough to operate in a long distance. The remote control is convenient and easy to use, and no programming or creation is required. This remote control with full functions and comfortable touch bring you enjoyment to the fullest extent. Suitable for Stereo System model HCD-GTR33 HCD-GTR55 HCD-GTR555 HCD-GTR7 HCD-GTR8 HCD-GTR88 HCD-GTR8B HCD-GTZ3 -GTZ4i MHC-GTR33 MHC-GTR55 MHC-GTR555 MHC-GTR7 MHC-GTR77 MHC-GTR8 MHC-GTR88 MHC-GTR888 MHC-GTZ2 MHC-GTZ2i MHC-GTZ3 MHC-GTZ3i MHC-GTZ4 MHC-GTZ4i MHC-GTZ5 -GTR33 -GTR55 -GTR555 -GTR7 -GTR8 -GTR88 -GTR8B -GTZ3 -RSR7 -RSR8 Hcd-gtr77 -RSR88 -RSR8B -WGR33 -WGR55 -WGR555 -WGR7 -WGR8 -WGR88 -WGR8B -WGZ3 -WGZ4 Power Supply:2 x AA battery(Not included batteries) Color:Black Material:ABS Package Contents: 1 x Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.