The Fiber Optic 3x1 Switcher allows you to connect three input sources to one output source seamlessly. It's designed to provide efficient and reliable switching of fiber optic signals. The compact and sleek black design makes it a perfect addition to your setup. This switcher is and easy to use, making it an essential tool for managing your fiber optic connections. Remote control switch/button switch, infrared extension cable extension with multiple control methods, convenient and comfortable, any choice battery: 2 x AAA battery (not included) Line length: input+output: 50-60 meters Audio format: Number 5.1 Audio: , DTS Basic parameters: Supports 192Hz, backward compatibility Due to different batches, there may be differences in product appearance and printed text, which not affect use Colour:Black Material:aluminum alloy Package Contents: 1 x 3 Port Switch 1 x Remote Control Unit 1 x Optical Cable 1 x USB Power Cable 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.