Lightweight advanced infared technology. Long range viewing. High resolution. Rubber armor protection. 4x magnification. 984 ft range.328 ft range with infared Illuminator. 15 degree field of view, Includes carry case & neck strap. Uses 2 AAA batteries(not included). More Details- Generation: 1 Magnification: 4X Field Of View: 15 Objective Lens: 50mm Resolution: 36 Lines/mm Maximum Viewing Range: 300m Diopter Adjustment:4dpt Built In Ir Illuminator Range: 100m Operation Voltage: 3V Power Supply: (2) AAA Dimensions: Weight: 21.1oz See In The Dark Stay Hidden Long Range Viewing High Resolution Advanced Infrared Technology Rubber Armor Long Battery Life Easy To Use Lightweight Limited Lifetime Warranty (contact Firefield Optics) User Manual Lens Cap Special Lens Cleaning Cloth And Warranty Card.