Laser Cannon Handheld Laser Igniter 6 Meters Outdoor Tools
It can ignite a paper shell up to 6 meters away and emit light from a distance of several kilometers.
Video https://youtube.com/shorts/ShbbNx5aIgc?si=NTFHxEdh7xjLRPjw
Laser power 6 watts, adjustable focus, with 18650 model battery, with charger.