Features: 90W Type-C female to square for DC male adapter connector forLenovo THINKPADs series notebook power adapter cable 3671-3 Built-in PD induction chip, which can convert the type-c PD power supply to theLenovo series square interface notebook power supply interface PThe notebook used forLenovo thinkpads series square port power supply is as follows:for X300S X301S X230S X230S S230U S5 X240 X240S T440 T440S T431 L440 L540 T540P E531 The power cable with strong for protection against overheating, overcurrent, short circuit, overvoltage and overcharge. The output interface is 19V-20V. When selecting the connection, we must pay attention to whether the voltage matches. Specifications: Item: Type C Female to Square for DC Male Adapter Connector ForLenovo Thinkpads for Hp Laptop Adapter Product length: about 15cm/5.9in Input interface: type-c female socket Product Material: all copper conductor, with PD induction chip Output interface: THINKPADs square mouth male Output interface Size:approx 11mmx 4.5mm Input device: Power PD Output voltage: 20V Output power: 90W Product color: black Packing Size: approx 15cmx10cmx1.5cm/5.9x3.9x0.6in Product gross weight: 13 grams Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1x for DC Adapter Cable