Leveraging years of experience blending innovative electronic technologies with rugged optical systems, SIG SAUER's new ECHO thermal category provides a comprehensive spectrum of performance-driven optics to deliver the innovation and quality that has become synonymous with the Sig Sauer name.The ECHO SV Thermal Sight streamlines the shooting process, eliminating the need for additional devices, charts, and formulas - improving your performance with startling precision.Switch between profiles seamlessly, while accessing all the information you need with an integrated 1000yd laser rangefinder and onboard environmental sensors. The ECHO SV Sight provides you with leading-edge capabilities, enabling you to surpass limitations and truly see all of your environment.FEATURES:LWIR 640x512 VGA 12um 50Hz thermal core with a 20mK sensitivityRecord still photos and video with audioBDX 2.0 enabled, including Applied Ballistics Ultralight with complete AB bulletdatabase and live video streamingIntegrated 1000yd laser rangefinderRechargeable and removeable 18650 lithium-ion batteries with 11-hour runtime on a single chargeConfigure settings and download media with the BDX AppCantilevered picatinny rail mount