1. Please point the remote control to the signal receiving window of air conditioner/TV/audio/for operation. 2. All products in this store are brand new remote controls, and the pictures are taken from real objects 3. Brand new high-quality remote control, no programming required, can be used directl 4. 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. 5. Sister 18 hour online reply / 90-Day No-worry warranty. Replacement Remote Control for Denon AVR-3805 AVR-3806 AVR-3807 AVR-3808 AVR-3809 AVR-3801 AVR-3802 AVR-3803 AVR-3804 AV Surround Receiver