1、You can save the last operation, monopulse triggers this module. 2、Voltage compensation: According to the local voltage change, automatically adjust the compensation output, and displays local voltage and compensation value for about 1 second while triggering. 3、0-999 welding count function: The number of weldings is clear at a glance. Press and hold the encoder for 3 seconds to clear the count bit. 4、Time input 0-99 cycle (1 cycle is 20ms), adjustable welding strength 30%-99%. 5、9-12V AC power input, need to use AC transformer. Features: 1. You can save the last operation, monopulse triggers this module. 3. 0-999 welding count function: The number of weldings is clear at a glance. Press and hold the encoder for 3 seconds to clear the count bit. 4. Time input 0-99 cycle (1 cycle is 20ms), adjustable welding strength 30%-99%. 5. 9-12V AC power input, need to use AC transformer. 6. Power input and external triggering is convenient and fast, no need to solder terminals. Specification: Package weight: Approx. 10g How to use: 2. Display Interface Digital adjustment: Short press the encoder knob until the corresponding value flashes, short press the encoder to enter the work interface. In work interface, when the calculated value is greater than 0, press the encoder for about 3 seconds to clear the value. Package list: 1 * Main Board 1 * Display Board 1 * Ribbon Cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.