KNACRO DC-DC Converter Buck Step Down Module 36V 24V 12V 9V 6V-40V to 5V 3A Dual USB Output Car Charger Regulators

This is a mini DC step down voltage converter module with fixed 5V voltage output. On-board DC 5.5X2.1mm power jack socket and 2pin screw terminals as the input power port with DC 6-40V voltage input and 2 USB power output port ideal for DIY USB charger for your electronic devices such as poWer bank,smart phone, tablet or 9V/12V/24V/36V to 5V converter module. Specifications: Input Voltage: 6-40V Output Voltage: 5V Maximum Output Current: 3A Maximum Conversion Efficiency: 92% (MAX) Switching Frequency: 150KHz Input Port: DC5.5*2.1mm power socket, 2p screw terminal Output Port: USB(dual port) Module Size: 50 X 35 X 12mm/1.97 X 1.38 X 0.47inch(L*W*H) Package Included: 1X DC Voltage Regulator Module 6-40V to 5V 3A Dual USB Output