Replacement Remote Control , and easy to install. Fine workmanship and perfect style. Power supply: 2*AA battery (not included) Compatible with Audio/Video Receiver Models: 321 SERIES I ONLY. Due to different batches, the appearance, color and printed words of the product , which not affect the use Colour:White Material:plastic Package Contents: 1 x Remote Only the above package content, other products are not included. Note: Light reflection 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.