New RM-AMU211 Remote Control fit for Sony Home Audio System. Model: RM-AMU211 / RMAMU211 We sold is replacement infrared remote control, only put into new battery will work.  Please note: if not work, please change BRAND NEW ALKALINE BATTERY instead of rechargeable battery to try, and make nothing is blocking the front of your device.  Compatible with Belowing TV models:  MHC-ECL99BT MHC-ECL77BT SS-WG919IP SS-WEC99BT HCD-ECL99BT SS-ECL77BT HCD-ECL77BT SS-EC719IP SS-EC719IP SS-ECL77BT MHCECL99BT MHCECL77BT SSWG919IP SSWEC99BT HCDECL99BT SSECL77BT HCDECL77BT SSEC719IP SSEC719IP SSECL77BT Pacakge Included: 1pcs x Replacement Remote Control Note: If your tv/dvd... model number is not listed on our model list, please email to us before you order it, we will help you find the right remote control. Thanks for your supporting in advance!