Military Laser Range Finder binoculars RLD M84 Iskra Ljubljana Measure a distance of 80 meters to 10,000 Laser Class 3B Maximum energy of 20MJ Pulse duration 15 nano seconds Missing battery, using a voltage of 12V at the same time can monitor two targets. Original, perfect, very rare, completely correct and tested, without battery, 12v power supply, you get what you see on the picture.