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、SELF CENTERING: This self centering dowel jig set can be used to accurately locate the center point when stamping wood. 2、VERTICAL PUNCHING: The hole puncher locator ensures excellent vertical hole punching, allowing the board to be better connected. 3、HIGH STRENGTH: The dowel jig and self centering pin device are made of aluminum alloy, with high strength, is sturdy and stable for long term use. 4、RUST PREVENTION: The of the woodworking dowel drill guide is anodized, making it less prone to rusting. 5、EASY CARRYING: The doweling jig has a compact structure, is easy to carry and store, convenient to use, and provides good hardness. Specification: Item Type: Self Center Dowel Jig Material: Aluminum Alloy Use: Woodworking Package List: 1 x Self Center Dowel Jig 3 x Bushing 2 x Positioning Bolt 2 x Positioning Rod Package List 1 x Self Center Dowel Jig 3 x Bushing 2 x Positioning Bolt 2 x Positioning Rod