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、Made of high quality PE material, smooth and environmentally friendly 2、Including 2000pcs ceramic tilers spacer , it is enough to use 3、This is a good tool for ceramic tiling 4、Available in two styles for choice. 5、It is suitable for adjusting the width of the space in the middle of the tile when laying the tile, so that the tile is beautiful and neat. Specification: Condition: 100% Brand new Item Type: Ceramic Tiler Spacer Width(optional): 2mm, 2.5mm Quantity: 2000pcs Material: PE Package List: 2000 x Ceramic Tiler Spacer Package List 2000 x Ceramic Tiler Spacer