Aim accurately with the SIG SAUER Echo Sv50-Lrf 2-16x50 Thermal Riflescope. This thermal scope has abrasion-resistant lenses and a fast refresh rate to help you see clearly and aim quickly. The integrated rangefinder provides you with an accurate distance to your target, and the Applied Ballistics technology illuminates the exact hold over dot, so you can aim accurately. Motion Sensor Technology helps extend the battery life, and the waterproof construction is reliable in any weather.