1、 Stay sharp: Even if you can't reach the shooting range through intensive practice, you can practice at home. Provide intuitive and fast feedback to make your exercises more efficient and interesting. 2、 Strong applicability: The training card box can be used with any online application. Including additional battery packs (providing 3 sets of batteries means a total of 6). 3、 Save time and money: Get high-quality trigger time in the comfort of your home, and save costs in the first conversation. 4、 Proper fit is proper precision: The double O-ring ensures the fit and alignment of the light box, thereby providing reliable feedback. 5、 Integrated buckle: Buffer activation? getting started? Provide a safe dry strike for your hammer or striker. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store