SIG SAUER ECHO RV35 2-16X35MM THERMAL RIFLE SCOPE The ECHOA(R) RV35 thermal riflescope is engineered for users who demand greater identification capability without sacrificing maneuverability. Built around a 35mm objective lens and a higher-resolution thermal sensor, the RV35 delivers improved detail and image fidelity-allowing you to differentiate targets more confidently as distances increase. It's the most versatile option in the ECHO R family, adapting seamlessly to changing environments and engagement scenarios. FEATURES LWIR 12um 50Hz thermal core with less than 20mK sensitivity High-Resolution 640x512 thermal sensor - I Mfg: Sig Sauer, Inc.