The MO-4 is so packed with features that it is unsurpassable by competitors in the same field. With high quality image intensifier tubes and fast lenses the MO-4 has very high brightness output. Not only does it have unbelievable light amplification, it also provides superior clarity and high magnification.The MO-4 comes standard with Smart technology. This technology consists of a computerized proximity sensor, digital controls and a long-range infrared illuminator. The proximity sensor will automatically turn the unit on and off when it is brought to the viewing position.This helps save your battery life and the life of unit itself.The digital controls allow you to activate or deactivate all of the features of the MO-4 with an easy push of a button.We also built a powerful infra-red illuminator into the scope.This allows you to see even in total darkness with outstanding clarity.