<b/>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.</b><br><br><b/> Synchronous Rectification Technology</b><br><br>The 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%<br><br><b/> Intelligent Protection</b><br><br>Assembled with smart chip--has features of Over-current /Over-load /Low-load /Short-circuit /Over-heat intelligent protection<br><br><b/>100% Waterproof Module</b><br><br>Compact 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 life<br><br><b/>SMT Process</b><br><br>FR-4 multilayer lines, resistors, capacitors and switch MOS tube are SMD components with high integration, high reliability, high stability<br><br><b/>Easy Installation</b>---Positive and negative wires can’t be reversed connection<br><br><b/>Notes: 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℉.</b><br><br><b/>Specification:</b><br> Input Voltage: 12V/24V/36V nominal, accept: 8V - 40V input range<br>No-load input current: ≤10mA <br> Output Voltage: DC 12V ±2%<br> Output Current: 3A<br>  Ripple Wave: 50Mv<br>Starting Delay time: ≤ 2S <br>Maximum Efficiency: ≥95%<br>Non-isolated Module <br> Size: 64mm x55mm x 20mm <br> Net Weight: 110g / 3.8oz<br><br><b/>Package include:</b><br>1x DC Voltage Converter 8V-40V to 12V 3A 36W