ATN has been on the forefront of your thermal technology needs, and now we are surpassing all expectations by presenting a new series of products that delivers a profoundly new experience! The ATN Thor 4 640 4-40x Thermal Rifle Scope provides such superior value, you soon realize there is nothing in the market to compare with! ATN's New Ultra-Sensitive Next Gen Sensor and Duel Core Processor allows you to Record Video and WiFi Stream at the same time! You wanted longer lasting power capabilities? You got it! The new Thor 4 Series includes a long lasting internal Lithium Ion Battery, allowing for up to 16 hours of operation. Plus, you can use your traditional 30 mm mounting rings to mount to any rifle. The ATN Thor 4 Series is the future of optics, and the future is now!.