Model number is C-RT4, but operation of the same characters on the Hitachi remote control is possible with other types starting with C-RT, C-H, and differences in numbers. Compatible remotes: C-RT1 C-RT2 C-RT3 C-RT4 C-RT6 C-RT7 C-RT8 C-RT9 C-H23 C-H23A C-H25 C-H26 C-H27 C-H28 C-H29 C-H30 C-H31 C-H32 Power button, terrestrial digital/BS/CS channel buttons, volume, and HDD operation buttons respond. All buttons have normal infrared response. Infrared emission confirmed. Photo 6 Response is good. Used item The white buttons are slightly discolored due to sun exposure. The entire unit has been wiped with a disinfectant sheet. No price reduction, sorry. Compatible models: C-RT1 P42-XP500CS, P50-XP05, P46-XP05, P42-XP05, L32-XP05, L37-XP05, L42-XP05, L37-XP500CS, L42-ZP05, L32-XP500CS, L37-ZP05, P42-HP05, P42-HP06, L32-HP05, P50-HR02, P42-HR02, P37-HR02, L32-HV02, L42-XV02, L32-HV02ST, L37-XV02, UT-42XP800B L19-H07 L22-H07 L26-H07 L32-H07 L37-H07 L22-HP09, L26-HP09, L32-XP07, L32-XP08, L32-XP800CS, L37-XP07, L37-XP08, L37-XP700CS, L37-XP800CS, L42-XP08, L42-XP07, L32-HP07, L26-HP07 P42-GP08, P46-GP08, P50-GP08, L42-GP1, L47-GP1, L55-GP1 L47-V09, L42-V09, L37-V09, L32-V09, P46-GP08, P42-GP08, L55-GP1, L47-GP1, L42-GP1, L46-S08 UT37-XP800B, W42P-HR9000, L42-C07 L32-G2, L42-G2 L19-N1, L19-N2, L23-N2, L29-N1, L29-N2, L39-N1, L39-N2, L50-N1, L50-N2