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、GOOD COMPATIBILITY: This ink cartridge is suitable for 12.7mm handheld inkjet printer, compatible with multiple machine, easy to install and replace. 2、HIGH CAPACITY: The ink cartridge capacity is 42ML, capable of printing 1200 pages of A4 paper (5% each), with clear printing and strong adhesion. 3、GRAPHITE INK: This invisible cartridge uses graphite ink, 3-5s quick drying, to ensure smoother printing, bright color, will not block the ink outlet. 4、APPLICABLE MATERIALS: Suitable for wood, acrylic material, aluminum, porcelain, paper, plastic, metal, fabric, glass, labels, leather and other materials. 5、REPLACEMENT PART: Installed on a handheld inkjet printer for use, with a compact structure, allows for direct replacement of used or damaged ink cartridges. Specification: Item Type: Handheld Printer Cartridge Model: HT01 Capacity: 42ML Material: Graphite Color: Invisible Applicable Machine: For SC12, SC12T, CP12, CP12W, SC12KJ (12.7mm handheld inkjet printer, non encrypted ink cartridge, universal) Application: Suitable for printing on both absorbent and non absorbent materials, including wood, acrylic material, aluminum, porcelain, fabric, paper, plastic, metal, fabric, glass, labels, leather, etc. Package List: 1 x Cartridge Note: 1. Quick drying ink, long exposure of the ink outlet of the cartridge to air (for more than 10？20 minutes) can cause the ink outlet to dry and cause poor ink output.betweendiv>2. The ink cartridge is strictly prohibited from getting wet, and the ink outlet is strictly prohibited from being wiped with a wet towel or tissue.between/div> Package List 1 x Cartridge