SMK1057 Features: * Eclipse night vision monocular * Material: Aluminum * Built-in IR illuminator * IR On / Off button * Internal diopter adjustment * Durable rubber body * Tripod adapter * Compact * Lightweight * Operates using (2) AAA batteries * Magnification: 2x * Objective (mm): 24 * Resolution(lines / mm): 36 * Angular field of view(degrees): 23 * Viewing range(m / yds): 150 / 164 * Eyepiece adjustment(dptr): +/- 5 * Built-in IR illuminator(m): 100 * Tripod mount: 1/4"" * Operating time, IR on/off(hour): 20/72 * Operating temperature( C / F): 25 +40 / -13 +104 Includes: * Includes accessories carrying case, lens covers and cleaning cloth Color/Finish: * Finish: Black Specifications: * Power supply; battery type: (2) AAA, 3V Dimensions: * Weight: 0.74 lb * Dimensions: 2.3"" H x 3.4"" W x 5.6"" D Warranty: * Limited lifetime warranty