Alpen ApexThermal Monocular 35mm Fly Fishing Combos it features three heat zones

it features three heat zones and three adjustable settings

open access feature that provides quick and easy access to all your trays

providing anglers with the confidence to tackle aggressive and hard-fighting fish species

Extra-large and super thick (1/2" diameter) for maximum spark generation

The OLED smart display keeps you informed with real-time data on battery life and brightness settings

Alpen ApexThermal Monocular 35mm Fly Fishing Combos it features three heat zonesFeatures High quality thermal imaging device with a colorful HD AMOLED display 2x (Digital Zoom up to 4x, 8x) 384x288 17 <40mK thermal imaging sensor Detection distance: 1,300 m Power supply via exchangeable battery, with power saving mode Clear+ technology for sharper, more detailed images 16 GB of internal memory and playback option in the device WiFi for live streaming and photo video capture CA Residents: Prop 65 WARNING(S)