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、For Hole Drilling: There are 10 holes of different sizes on this hole jig, and you can flexibly drill holes at 45° and 90° angles. 2、Has High Accuracy: Drill with this dowelling locator, and you will have higher accuracy in positioning and drilling, very reliable. 3、Wider Application: Allows for broad utilization in home carpentry work to meet the daily use of DIY drilling, installation, and more. 4、Premium Materials: The main body is made of aluminum alloy, meanwhile the excellent workmanship has largely improved the durability. 5、Convenient Carry: Comes with a compact size and a light weight as well, the drill guide is very convenient to carry to outdoor. Specification: Item Type: Hole Jig Material: Aluminum Alloy Use: Tools for woodworking. Package List: 1 x Hole Jig 1 x Extension Rod 2 x Fixing Screw Package List 1 x Hole Jig 1 x Extension Rod 2 x Fixing Screw