Utilizing the latest crystal clear 4G tube technology, the Sentry 14 1x 4G boast the furthest detection and recognition ranges, allowing you to locate and engage targets at distances further than ever before. Currently in use by militaries around the globe, the PVS-14 Sentry is the first choice for those who demand the best in low to no-light environments. The highly versatile Sentry 14 system can be hand held or head/helmet mounted for hands free navigation. The Sentry 14 can also be weapon mounted when coupled with a daytime close quarters battle sight or an IR laser. When paired with a quality spotting scope, target detection is stretched well beyond 600 yards. The simple 3 position switch (Off/On/ Momentary and constant IR and manual gain control make the 4G's low halo factor the perfect fit for nearly all level of light. Light weight, rugged and 100% Mil-Spec, the Sentry 14 4G is the best choice for all scenarios, be it close quarters or wide open spaces.