Features: 1.Power and Current: Input voltage range is DC 18V?36V; Output voltage is DC 12V(non adjustable); Output current is 40A; Output power is 480W. 2.Wide Application: Suitable for Large trucks, taxi radio, emu, car audio, LCD TV, advertising screen, LED strip lights, monitoring system, motor, electronic systems and DIY etc. 3.High Conversion Efficiency: Synchronization rectification technology for multiple intelligent protection function with high conversion efficiency and stability. The conversion efficiency may reach 96%. 4.Strong Protection: Regulator voltage reducer has multiple protections, such as Over load, Over current, Over temperature, Short circuit, Over voltage protection. 5.Rugged Structure: Aluminum shell and silicone sealed design, regulator voltage transformer is waterproof, anti shock, can be used in harsh working conditions. Specification: Item Type: Voltage Converter Regulator_x000D_ Material: Aluminum + silica gel_x000D_ Input Quota Voltage: 24V DC_x000D_ Input Voltage Range: 18-36V DC_x000D_ Conversion Efficiency: 96%_x000D_ Output Voltage: 12V DC_x000D_ Output Current: 40A_x000D_ Output Power: 480W_x000D_ Voltage Regulation Frequency: 1%_x000D_ Load Regulation Frequency: 2%_x000D_ Ripple&Noise: 160mVp-P_x000D_ No Load Loss: 70mA_x000D_ Operating Temperature: - 40 - 80 _x000D_ Waterproof Grade: IP68_x000D_ Input Wiring Specification: Wire gauge 12AWG (red positive, black negative)_x000D_ Output Wiring Specification: Wire gauge 10AWG (white positive, black negative)_x000D_ Application: For automobile, ship, yacht, railway, aviation, instrument, communication, wind energy photovoltaic system, LED field