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、Rapid Drying: The ink inside our handheld printer industrial grade cartridge can achieve rapid drying, which is very practical and sturdy. 2、Capacity 42ML: The ink capacity of the handheld printer cartridge is 42ml, which can print 1200 pages of A4 paper with strong adhesion. 3、Fluent Output: The final printing effect of the cartridge is clear and fluent, with bright colors, and the ink will not clog the ink outlet. 4、Made of ABS Material: The handheld printer cartridge is made of ABS material, which is abrasion resistant, light weight and very easy to install. 5、Wide Range of Application: The cartridge is suitable for printing on both absorbent and non absorbent materials, including wood, fabric, metal, fabric, glass, leather, etc. Specification: Item Type: Handheld Printer Cartridge Model: HT01 Capacity: 42ML Material: ABS Machine Use: Suitable for SC12 SC12T CP12 CP12W SC12KJ(12.7mm handheld inkjet printer cartridge without encryption universal) Widely Used: The cartridge is suitable for printing on absorbent and non absorbent materials, including wood, acrylic materials, aluminum, porcelain, fabric, paper, plastic, metal, fabric, glass, labels, leather, etc. Package List: 1 x Handheld Printer Ink Cartridge Note: Ink cartridge is strictly prohibited to get water, ink outlet is strictly prohibited to use wet towel or wet paper towel to wipe. Package List 1 x Handheld Printer Ink Cartridge