These dc buck boost converters are excellent power transformers. They feature wide input voltage, low power consumption, high efficiency, great reliability. They can work safely and reliable in -40'C~80'C range. Widely used to golf cart, motor, speaker, GPS, LED car display screen, air-conditioner, electric fan, solar energy, photo-voltaic power, DVD, industrial equipment ect.Synchronous Rectification TechnologyThe synchronous rectifier circuit use MOSFET instead of rectifier diode to greatly reduce the loss of the rectifier and improve the converter efficiency, Maximum Efficiency:?95% Intelligent ProtectionAssembled with smart chip--has features of Over-current /Over-load /Low-load /Short-circuit /Over-heat intelligent protection100% Waterproof ModuleCompact aluminium shell with epoxy potting is IP68 waterproof, anti-shock, damp-proof , anti-dust protection and better heat dissipation, adapt to a variety of harsh environment and extend service lifeSMT ProcessFR-4 multilayer lines, resistors, capacitors and switch MOS tube are SMD components with high integration, high reliability, high stabilityEasy Installation---Positive and negative wires can't be reversed connectionNotes: It's normal that the case is hot when converter inside temp is over 113?, converter will protect itself when inside temp is over 185?.Specification:Input Voltage: 24V nominal Input range: 18V to 32V Input Current: 10A (max) No-load input current: ?10mA Output Voltage: DC 12V '2% Output Current: 30A Ripple Wave: 50MvStarting Delay time: ? 2S Maximum Efficiency: ?95%Non-isolated Module Size: 100mm x80mm x 40mm Net Weight: 292g / 8oz Package include: 1x Voltage Reducer Converter 24V to 12V 30A 360W