Product Features SIGHT-IN GRID SHOOTING TARGET: Designed with a 1-inch scope sight-in grid & 5-spot bullseye target to enhance your precision & target practice. THERMAL ID TECHNOLOGY: Patented treatment provides distinct heat signatures for thermal imaging scopes. TEMPERATURE RANGE: -20 F to 110 F (-30C to +45C) is suggested for optimal performance. DAYLIGHT COMPATIBLE: Unique technology allows usage in broad daylight. THERMAL SCOPE SIGHT-IN: Designed specifically for calibrating thermal scopes. BULLSEYE TARGET: Made with a 5-spot sight-in grid sized at 12-inches wide x 12-inches high.