Brand New and High Quality Feature: PD Emulator Trigger chip, safe and efficient. Fine workmanship, high quality to ensure your laptop works. Easy to connect and use, portable for home, office or travel use. With a PD inductor circuit, the Type-C power supply can be converted to a notebook power interface for Lenovo series square interface. Typically used for Lenovo THINKPAD series laptops. Works for Lenovo Thinkpad X1 Carbon E431 E531 S431 T440s T440 X230s X240 X240s G500 G505, etc. Warm Tips: Ensure your USB Type-C adapter's wattage (volts and amps) is not lower than your laptop's input (check the bottom of your laptop). Note that not all USB Type-C adapters will fit your laptop. Specifications: Item Type: USB Type-C Female to Power Adapter Converter Material: ABS+Metal Size: 33.8x15x7.6mm/1.3x0.5x0.2inch Color: Black Voltage: 18.5-20V Current: 3.25A Connector A: USB Type-C Female Connector(s) B: Square Connector (Male) Quantity: 1 pc Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x USB Type-C Female to Power Adapter Converter (other accessories demo in the picture is not included)