One optical fiber signal input is distributed to three optical fiber signal outputs. Support audio format LPCM2.0/ /DOLBY-AC3. Support signal timing rearrangement without signal loss. The line loss is less than 0.2dB/m, and the output distance can reach 40m. Over-voltage protection function to prevent damage to the machine caused by the wrong power adapter. Specification: Material: ABS Plastic Adapter: US Size Chart: 5.4x1.8x5.4cm/2.13x0.71x2.13inch Package Includes: 1 Piece Digital Optical Audio 1x3 Splitter 1 Piece Power Supply(US) 1 Piece User Manual Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!