The Binox-4T thermal binocular features an integrated a Laser Rangefinder, so you now have the ultimate binocular package that has everything you want. Not only do you have the ability to see both day and night at your fingertips, but you now have the ability to range your target with absolute accuracy for dope hold over or know how far you need to trek to your next waypoint. BIX (Ballistic Information Exchange) tech allows ATNs SMART HD devices to communicate and exchange information. This technology lets our systems talk to each other, exchanging valuable information; in order to facilitate a shooting solution eliminating hold over. Simple to pair, ATN's BIX Tech is independent of any app so you don't need to rely on extra equipment. For those times when you have friends or team members with Night Vision that need help looking at the right spot to see the target. The internal lithium Ion battery will keep you hunting late into the evening or those early morning hours, with an incredible 16+ hrs of run time. Saving you money on buying multiple reusable or one-time use batteries. Just like your standard binoculars, ATN's binoculars are designed with a comfortable eye relief and interpupillary adjustment so anyone can use these digital binoculars with comfort.