Feature 1 Overvoltage protection can prevent the damage caused by connecting unmatched power adapter to the machine. 2 Three ways of optical fiber signals switch to one sets of SPDIF/ for TosLink signal receiving device. 3 Audio format support LPCM2.0/DTS/DolbyAC3. Support signal retiming. 4 Used optical fiber cable loss less the 0.2Db/m, Output distance is up to 40m / 131.2ft. 5 The input control can through R/M and also can directly press the button. Support last time working state memory when power off. 6 Support LED status indication. Reduce signal loss, get a better output signal.Item Type: 3x1 SwitcherMaterial: Iron ShellColor: As shown in the pictureSupport Audio Format: LPCM2.0 / DTS / Dolby-AC3Peak Wavelength: 650nmMaximum Baud Rate: 16MbpsOutput Cable Distance: 40m / 131.2ft(use optical cable with less loss 0.2Db/m)Maximum Working Current: 100mAPower adapter format: Input: AC (50HZ, 60HZ) 100V-240V; Output: DC5V / 1000mAOperating Temperature Range: 0~+40Operating Humidity Range.: 5~90%RH (non-condensing)Remote Control Battery: 1 x CR2025 battery(Included)Voltage: 100V-240VHow to Use: Plug and play Package List1 x Remote Control1 x Instruction Manual1 x Fiber Optic Audio Cable1 x Power Adapter1 x 3x1 Switcher