Highly integrated SMD components for high stability and reliability. Output current: 1A/2A/3A/5A (Optional) IP67 waterproof and dustproof, easily adapt to various working environment. With overload/over-current/over temperature/short circuit , and it can work in normal condition when restored The fire retardant plastic casing, safe and reliable; The whole filling and sealing waterproof ing design Suitable for car screen, monitor camera, fan, water pump, motor, router, etc.