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、Hand-held Woodworking Straight Hole Puncher, used in board and board edge punched, to board joint. 2、Two claws convenient for quickly settle punched center. 3、After the is anodized, it is resistant to corrosion and rust. 4、Made of high-quality aluminum alloy with high hardness and long service life. 5、Professional and practical, beautiful appearance, easy to carry and use. Specification: Item Type: Hole Puncher Material: Aluminum alloy Optional Model: Black 4pc-A1, Blue 4pc-A1, Red 4pc-A1, Black 11PC-A2, Blue 11PC-A2, Red 11PC-A2, Black 41pc-A3, Blue 41pc-A3, Red 41pc-A3, Black 71pc-A4, Blue 71pc-A4, Red 71pc-A4 Weight: 172 g / 6.1 oz(approx.) Package List: 1 x Woodworking Straight Hole Puncher 3 x Screw Package List 1 x Woodworking Straight Hole Puncher 3 x Screw