About this item Input Voltage: 12V nominal, Input Current: 10A (max); Output Voltage: DC 24V 10A 240W Maximum Efficiency: 95%; Ripple Wave: 50mV; Starting delay time: 2S. If the product does not function, check whether the positive and negative terminals are reversed. The label on the back of the product provides connection instructions for the positive and negative terminals. Please follow the instructions. Over-current / Over-load / Low-load / Short-circuit / Over-heat intelligent protection. Compact design with epoxy potting, 100% waterproof, anti-dust, anti-shock protection and better heat dissipation. Two quick-connect terminals make it easy to quickly connect your devices. Widely used for golf carts, motors, speakers, GPS, LED car display screens, air-conditioners, electric fans, solar energy, photovoltaic power, DVDs, industrial equipment, etc. Dimensions: 4.37 x 3.35 x 1.26 inches.