The WildSpy CAM AC-820 is a trail scouting camera with 4M picture quality and the larger 1.6 inch color viewing screen. It is an entry level model for a new user who would pay an affordable cost to enjoy a digital game camera in the first time. It has a fast and slow trigger time setting for either fast shooting or save power expectation. Two difference screens to separate Camera setting and Scan setting is the best way for as easy as operating like a traditional digital camera. With 16M internal memory, it can hold up to 30 pictures at the highest resolution picture setting. Built-in a high power strobe, camera can see animal 30 feet away with clear colorful picture at night. An turning knob is used for detection range from 10~40 feet. The self-test mode with indicator is one step as easy as to tell you the motion effective coverage.