Check the listing for details. DC 3.3V 3.7V 5V 6V to 12V Step up Boost Power Supply Module. Condition: New. Listed at 10.99 USD. Features: Input voltage 3~6V, output 12VMaximum input current : 1.2ALong-term work Current : 1AConversion efficiency : 80-90%1.2A current limiting resistor,Remove the resistance, the maximum input current can reach 2A.But IC have "Over Temperature Protection" Function.It will turn off the power MOSFET automatically when the internal junction temperature is over 150 °. The power MOSFET wake up when the junction emperature drops 30 ° under the OTP threshold temperatureStart Voltage 2.8V, Output Current 50MAInput 3V 1A; Output 12V 220MAInput 3.3V 1A; Output 12V 250MAInput 3.7V 1A; Output 12V 280MAInput 4.5V 1A; Output 12V 340MAInput 5V 1A; Output 12V 370MAInput 6V 1A; Output 12V 450MADC-DC Boost module working frequency 1.0MHZ.Operating ambient temperature : -40~+85 Degrees Celsius2.54mm pin pitch,FOR ARDUINO UNO DUE Breadboard FPGA/CPLD Development Board friendly.Applications:MCU Development Board,FPGA/CPLD UNO MEGA2560 DUE 8051 AVR C8051 etcPLC Modbus RS485VCRPDALED Lighting12V Relay boardWireless communication equipment315M 433M Wireless remote controllerSize(not include pin):(L*W) 2.05*1.00cm/0.81"*0.39"(Approx.)Attention :This is a DC-DC voltage converter module,Must be noted when using:1 Input voltage can not be greater than the maximum input range2 Output power can not be greater than the maximum load for a long time3 Input power must be greater than the output power, because the power consumption of the module itselfPackage Include :1 x DC 3.3V 3.7V 5V 6V to 12V Step-up Power Supply Boost Voltage Regulator Converter- The shipping service we offer is First-Class Package Service, which is a domestic mail service offered by USPS. It is designed for mailing lightweight packages that weigh up to 15.99 ounces and offers delivery in 1-5 business days. It includes a tracking number, allowing customers to track their packages. USPS prices start at $4.75, but we don't have any control over shipping prices. - Many customers ask if they can ship their products in a paper envelope. Unfortunately, we cannot do that because merchandise needs extra protection, and USPS does not provide a tracking number for this type of service.- The shipping service we offer is First-Class Package Service, which is a domestic mail service offered by USPS. It is designed for mailing lightweight packages that weigh up to 15.99 ounces and offers delivery in 1-5 business days. It includes a tracking number, allowing customers to track their packages. USPS prices start at $4.75, but we don't have any control over shipping prices. - Many customers ask if they can ship their products in a paper envelope. Unfortunately, we cannot do that because merchandise needs extra protection, and USPS does not provide a tracking number for this type of service.