This SIEMENS digital output module (model: 6ES7132-4HB12-0 AB0) is suitable for SIMATIC S7 series control system, providing 2-channel relay output, supporting DC 24V to 48V/5A and AC 24V to 230V/5A loads, with a width of only 15mm, suitable for compact installation environment. It has the first signal indicator, which is convenient for maintenance personnel to locate the problem quickly.