Shenzhen Haipu Monte Inverter, Elevator-specific Inverter, Removed from Cabinet, Model MT70-4T022, 22KW Inverter, Condition as shown in the picture. The main board relay has slight bumps. If you mind, please do not purchase. I personally cannot test it. It is unopened, unmodified, not burned, and not water-damaged. The module is guaranteed to be good. Bosses in need, please contact.