Spot Welder Time Control Module Digital Display Controller Board (100A) 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 e AC transformer. 6. Power input and external triggering is convenient and fast, no need to solder terminals.   Specification: Package weight: Approx. 10g   How e: 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