RC18T1-27 original remote control
Reference: RC18T1-27
Other names: RC18T127
Replacement remote controls that replace in all its functions the remote BOSE RC18T1-27:
Some Bose systems use radio frequency (RF) remote to be controlled; however, there is an option in the Bose System Menu to receive IR signals. Please find below the instructions to set your Bose System for IR control (these options could be a bit different in your model):
1. On your Bose go to "System Menu"
2. Select "Remote Control"
3. Select "IR Control"
4. Select "On"
Once this is done, you will be able to control your Bose system via infrared Mandis Remote.

The remote control is carefully shipped protected in a special packaging along with the necessary batteries (if requested). The shipment is fast and secure, ensuring that it arrives at your hands within the indicated delivery time. Additionally, you will receive the convenience of having your invoice sent directly to your email. Your shopping experience will be impeccable from the very beginning!
Some of the models that use this remote are
This remote control has the following buttons:
On / Off, Mute All, Mute, CD-DVD, FM-AM, AUX, TV, CBL-SAT, VCR, TV Input, TV On/Off, CBL-SAT On/Off, VCR On/Off, [↔], Settings, System, DVD Menu, Guide, Exit, Up / Tune +, Left, Enter, Right, Down / Tune -, Chan./Track/Chap. +, Chan./Track/Chap. -, Volume +, Volume -, Stop, Pause, I<< / Seek -, Play, >>I / Seek +, Shuffle ↶, ↷ Repeat, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, Info, Previous, Page -, Page +, Red, A, B, C

It uses 2 batteries of the type AAA
1.5V alcaline batteries AAA LR03, used in a great majority of remote controls.