2pcs 12mm Red Line Light Modules. One 12mm red line for use and the other for replacement. (The red light module can also be replaced with other modules like 12mm diameter green ones)
Used to mark the throwing line, provides a modern alternative to traditional adhesive floor markers.
It can be used as a throwing reference line in the field of dart games.
The adjustable mount can freely adjust the angle of the module.
The battery box allows it to be used at any time, making it more convenient to use.