ATN Thorn HD 384 Thermal Smart HD Riflescope. The most technologically advanced line of thermal rifle scopes on the market bar none! The all new Obsidian "T" II Thermal core beats at the heart of our systems. More power, more features, smaller packaging, and lower cost have allowed ATN to make the biggest update to its award winning thermal product line. Record videos and photos onto a Micro SD card. Never again forget to record that perfect shot with ATN's patented RAV (Recoil Activated Video). Use ATN's Smart Range Finder to quickly range in on your target and allow the ballistic calculator to make instantaneous corrections to your POI on the fly. Smooth Zoom, built in Wi-Fi, Bluetooth, 3D Gyroscope, 3D Accelerometer, 3D Magnetometer are but a few of the features and sensors packed into these incredible systems.