Features 1. Surge protection can prevent damage caused by connecting an incorrect power adapter to the device. 2. Three optical fiber signals are switched to a set of SPDIF/TosLink signal receivers. 3. Supported audio formats: LPCM2.0/DTS/Dolby-AC3. Supports signal retiming. 4. Use optical fiber cable with loss less than 0.2 dB/m, output distance is up to 40m. 5. Input control can be done via R/M and also by directly pressing the button. Supports memory of the last working status upon power failure. 6. Supports LED status indication. Reduce signal loss, get a better output signal. Specification Item Type: 3x1 Switch Material: Iron shell Color: As shown in the picture Supported audio formats: LPCM2.0 / DTS / Dolby-AC3 Peak wavelength: 650nm Maximum Baud Rate: 16Mbps Output cable distance: ≤40m (use optical cable with less loss 0.2Db/m) Maximum working current: 100mA Power adapter format: Input: AC (50HZ, 60HZ) 100V-240V; Output: DC5V / 1000mA Operating temperature range: 0~+40℃ Operating humidity range: 5~90%RH (non-condensing) Remote control battery: 1 x CR2025 battery (included) Voltage: 100V-240V Usage: Plug and play Package list 1 x Remote Control 1 x User Manual 1 x Optical Fiber Audio Cable 1 x Power Adapter 1 x 3x1 Switch