Check the listing for details. XL6009 2A Boost Module DC-DC Adjustable Step Up Voltage Converter Power Supply. Condition: New. Listed at 2.79 USD. It may be necessary to turn the potentiometer up to 15 times before the output voltage changes • This is a boost module, the output voltage must be greater than input voltageBoost voltage to a stable regulated output. Useful for a wide range of applications, such as powering 5V USB devices from a 3.7V lithium cell, powering higher powered electronics from a 12V battery, and a wide range of automotive and electronic projects • Constant voltage regulation, suitable for LED strips and modules, but not for raw LEDsThe XLSEMI XL6009 boost regulator IC has an integrated MOSFET, over-temperature protection, and over-current protectionInput: 4-32V DC • Output Voltage: 5-35V • Output Current: 2A • 20W Maximum Power • 400KHz Switching Frequency • ＜50mV Output ripple • ±0.5% Load Regulation • Up to 94% efficiency (depending on the voltage difference between input and output) • Size: 40x20x12mmXL6009 Datasheet: https://www.jacobsparts.com/files/XL6009.pdf Orders under $10 ship without tracking If you need tracking on orders under $10 then pay the extra $1.99 for package service Freight Forwarders and US Territories (except PR): Orders under $10 will be canceled unless the $1.99 shipping option is selected at checkout