​1. Please point the remote control to the signal receiving window of air conditioner/TV/audio/for operation. 2. 90 Days Warranty, Replacement Remote may not operate all features as original but main function work.  Brand new high-quality remote control, no programming required, can be used directly  If your model is not mentioned in the title, please do not purchase directly. Contact us first and send an email to see if your model is compatible.  Sister 18 hour online reply / 90-day No-worry warranty.