This Relay Exquisite workmanship ,Quality assurance for 1 years. If there are quality problems within 1 years, you can send us email. We will send you new ones .Features: 8 pins DPDT, with coil voltage AC 110V, contact capacity AC 30A 250V and DC 30A 28V. The JQX-12F 2Z General Purpose Relay can adjust automatically, protect and transform the electric circuit. Widely used in the remote control, communication, automatic control system, electronic equipment, etc.