Using high-quality materials, strong and durable, has a long service life Crystal module for temperature compensation, with cost-effective, and practical The installation is simple, easy to use, and can perfectly meet your needs Small size, easy to carry and , easy to use and with good performance Item Type: Temperature-Compensated Crystal Module Installation : Turn off the power of the machine, open the cover of the machine, find the installation position of the temperature compensation crystal, you need to pull crystal of the machine belt, and then you can install the inserted spindle- according to the alignment mode, and you can install and use it after starting without any adjustment. : PCB colour: As shown Package Contents: 1 x module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.