Features High Quality 5V 1-Channel Relay Module: This module offers high-quality performance with a 5V power supply and 1-channel bistable self-locking relay, ensuring reliable and efficient . Convenient Trigger Control: Easily activate the relay by clicking the trigger port to pull it in and hold, and click again to disconnect, providing convenient and intuitive control. and Long Service Life: Constructed with high-quality materials, this relay module is and has a long service life, ensuring lasting reliability for your applications. High Accuracy and Strong Stability: With high accuracy and strong stability, this relay module is easy to install and use, delivering and reliable performance for various applications. Safe Low Pulse Trigger: The trigger mode is a low pulse trigger, providing a more convenient and safer for your peace of mind. Features: 1、This universal presser foot fits many low shank models of sewing machines. 2、Reasonable size and light weight for easy storage and carrying, convenient to use. 3、Simple installation and easy to use, it is an essential part of the sewing machine. 4、Please make sure that the presser foot it lowered before measuring, measure the distance from the bottom of foot to the centre of the screw？hole that holds the foot onto the presser bar. 5、Manufactured from premium plastic and stainless steel material, and sturdy, having stable performance. Specification: Conditon: 100% Brand New Item Type: Sewing Machine Presser Foot Material: ABS+Stainless Steel Color: White+Silver Package List: 1 x Presser Foot Package List 1 x Presser Foot