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、MULTI FUNCTION: This punch locator can be used for common size handles hole spacing measuring, positioning. 2、 MEASUREMENT: This punch locator is fine crafted with accurate scale, and more for measurement of handle hole distance. 3、WIDE ADJUSTMENT RANGE: The horizontal adjustment range of one side is 25mm to 85mm, and the vertical adjustment range is 15mm to 65mm. 4、ALUMINUM ALLOY MATERIAL: The positioning jig is made of premium aluminum alloy material, which is light, high in strength, easy to carry. 5、PRACTICAL PUNCH TOOL: This is a very practical tool for woodworking, furniture hole opening and installation such as cabinet handle, door handle. Specification: Item Type: Handle Punch Locator Material: Aluminum Alloy Colour: Black Purpose: Auxiliary tool for woodworking, furniture installation, hole opening Package List: 1 x Handle Punch Locator Package List 1 x Handle Punch Locator