1. Operating power: DC 12V 2. 4PIN / 5PIN switchable 3. LED indicator for quick diagnosis and intuitive display of relay condition 4. Available with different pin configurations to meet the testing needs of various relay types 5. Intelligent alarm design automatically identifies the 4PIN/5PIN switch position of the relay; an alarm will sound if the wrong position is selected. 6. Insulated clamp design with an insulating surface, providing excellent flame retardancy, electrical transmission, and leakage protection. 7. Dimensions: 68x28x170mm 8. Weight: 250g
