A handgun and a glowing green device.

The video opens with a close-up of a gun and a small white device with a green light and digital display. The hand moves the device, showing it from different angles. The video then pans to a computer screen displaying a product page for the 'VNISH LASER STRIKE TRAINING SYSTEM'. The presenter demonstrates how to attach the laser training device to a handgun. The video shows two of the white devices on a shelf, then focuses on the presenter holding one of the devices and the handgun. The presenter gestures towards the computer screen and the devices, emphasizing the training system.