FS-5L (black) is a latch-type footswitch with an LED to indicate status. Both footswitches can be connected using ordinary guitar cables. Please consult your owner's manual for compatibility. Functionality: Ideal for applications such as amplifier channel switching, effect on/off control, or as a sustain pedal for certain devices. LED Indicator: Features an LED light to show the on/off status, which is powered by two AAA batteries (not included). The pedal still works without the battery, but the LED will not light up. Polarity Switch: Includes a switch to reverse the polarity, ensuring compatibility with a wide range of devices. Connectivity: Connects using standard 1/4" phone type (TS or TRS depending on the connected device's requirements) instrument cables. Construction: Built with a sturdy metal chassis for durability. Dimensions: Measures approximately 96 mm (W) x 90 mm (D) x 43 mm (H). Weight: Approximately 240 g (0 lbs. 9 oz).