Use: Speaker Wireless Communication: IR Model Number: Universal Remote Control Smart Controller Frequency: 433 MHz This is the high quality remote control for audio equipment. Perfectly replace your old or damaged one. Choose the remote control with the greatest confidence. Batteries: 2x AAA Battery (excluded) Applicable Model: RX-V363.RX-V463.RX-V561.RAV311.RAV312.RAV282 RX-V650.RX-V459.RX-V730RDS.RX-V380 RX-V663.RX-V863 RX-V461.RXV561.RX450 YHT380 WJ409300 -6040 WN22730 -6050 RX-V450 colour:black Material:PC Size: 210*50*20mm/8.26*1.96*0.78 inch Package Contents: 1 * Remote Control (Battery NOT Included) Only the above package content, other products are not included. Note: Light 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.