The RESSIG RV50 thermal riflescope combines advanced thermal imaging with 2.5-20X variable magnification and integrated laser rangefinder (LRF) for precision shooting in any lighting condition.RESSIG RV50 Thermal Riflescope with LRF640x512 thermal sensor resolution for clear heat detection2.5-20X magnification range for versatile target engagement8.8deg field of view for wide area scanningIntegrated laser rangefinder for accurate distance measurement12-hour battery life with dual 18500 batteriesCompact dimensions: 15.0" x 3.5" x 2.8"Weighs 34.9 oz for manageable handlingIdeal for tactical applications hunting and surveillance operations where thermal detection and precise ranging are essential for mission success.