The Sig Sauer ECHO R LRF Series Thermal Scope is a variable power thermal optic that resembles a traditional rifle scope. With 12 hours of runtime, you can stay out all night finding and chasing game. The high resolution sensor will clearly show you your target and the built-in BDX 2.0 rangefinder allows you to range targets and get ballistic data from your phone, so you make the perfect shot. FeaturesRecord Videos and PhotosBuilt-In BDX 2.0 Rangefinder (1000yd Range)Applied Ballistics On Board8 Color Palettes (Arctic, Black Hot, Iron, White Hot, Rainbow, Red Alert, Sepia, Red Hot)Internal and External Battery Includes(2) 18500 BatteriesBattery Charger and USB-C CableObjective Lens CoverRemovable Eyepiece30mm ALPHA6 Scope RingsLens ClothThermal Target