The Nocpix LUMI-P13 is a compact thermal monocular featuring 2x magnification with a 13mm objective lens and advanced 256x192 resolution thermal imaging at 12 microns 50 Hz.Nocpix LUMI-P13 Thermal Monocular in Black2x base magnification with 4x digital zoom capability256x192 resolution 12 microns 50 Hz thermal sensor13mm objective lens with 13.50 x 10.10 degree field of viewDiopter adjustment range: -5/+5Lightweight at 10.93 oz for portable useIRB-2 Li-ion battery with up to 4 hours runtimeIdeal for hunting surveillance search and rescue or wildlife observation this thermal monocular delivers reliable heat detection and imaging in complete darkness or challenging weather conditions.