The Burris BTC Thermal Riflescope is the perfect addition to any nighttime shooting set up, be it tactical or hunting. It features 5 different color pallets to help track your target's heat signature in a wide range of weather conditions. Features of the Burris BTS Thermal Riflescope5 color palletsApp connectivityStadiametric rangefinderAdjustable for brightness and contrast Burris BTC 35 Thermal Clip-On 300621