Sony Genuine Amplifier Remote Control RM-AAU080, with Warranty Compatible models: STR-DH710 This is a used item, but it is in good condition with few scratches or scuffs. Operation has been confirmed. (Infrared emission only, not tested with the actual device) The item has been lightly cleaned. No smoking. No pets. Regarding the operational warranty, we will respond if you report any issues before confirming receipt. AA batteries are not included. Shipped via anonymous delivery.