Check the listing for details. 10Pcs 4 Channel IIC I2C Logic Level Converter BiDirectional Module 33V. Condition: New. Listed at 25.28 USD. The bi-directional logic level converter is a small device that can safely downgrade 5V signals to 3.3V while simultaneously upgrading 3.3V to 5V. This bi-directional module works with 2.8V and 1.8V devices and can be transmitted bi-directional between high logic voltage and low logic voltage with 4 channels. PLEASE NOTE: If you have any doubts or questions about the item, please don't hesitate to contact us - we'll be happy to help to assit you with technical product details or provide dimensions for cross-referencing. Our delivery partners are Yodle, Royal Mail, and Evri for the UK. For worldwide orders, we work with both local and international companies to ensure global coverage (exclusions apply). If there's a functional problem with what you've ordered, let us know as soon as poss.