-AM330U Replacement Remote Control fit for Home Audio System. We sold is Replacement IR(infrared) remote control,no any program needed, only put into battery work well. The Remote Control Can Work with Below Knowing Models: MHC-M20 MHC-V21 MHC-V71 MHC-V90W MHC-V50 MHC-V77W SHAKE-X10 SHAKE-X30 HCD-M20 -M20 SA-V90W -V90W HCD-SHAKE10 -SHAKE10 HCD-SHAKE30 -SHAKE30 MHCM20 MHCV21 MHCV71 MHCV90W MHCV50 MHCV77W SHAKEX10 SHAKEX30 HCDM20 SSM20 SAV90W SSV90W HCDSHAKE10 SSSHAKE10 HCDSHAKE30 SSSHAKE30 Using the remote control: Aim at the sensor, avoiding obstacles, make sure to point the remote control toward the remote control sensor on the unit. Power Supply: 2 x AAA battery (Not included batteries) Color: Black Material: ABS Package Contents: 1x 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.