Color: green + blue Material: metal + plastic Package: Yes Maximum Power Per Channel: NO POWER Channels: Other Product name: Audio Input Signal Selector Switching Function: four input one output Package Contents: 1 * Audio input switch board set Only the above package content, other products are not included. Note: Light shooting 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.