HT-77 infrared night vision quickly converts any scope into a high-quality night optic at a fraction of the price of thermal scopes. A hot category amongst predator/nuisance hunters, security teams, and nocturnal animal enthusiasts! Coverts standard scope into a night vision optic – no re-zero needed · Quick attach mount – Easily attaches to rear-scope objective to various diameters with supplied ring · Can be used as a monocular – HT-77 has 1X – 3.5X digital zoom · High resolution Video and photo capability – SD card not provided · App to connect wirelessly Sytong products with to watch live and go through gallery · Color, Black and White IR and Green IR modes! · Built-in infrared illuminator (850nm) HT-77 MODEL ONLY! Built-in Laser Range Finder – 1000 yard range! HT-77LRF MODEL ONLY! Built-in Laser pointer · Fraction of the cost of thermal scopes High-grade aviation aluminum alloy shell features exceptionally high shock resistance, capable of handling high-powered device recoil, up to 6000 joules Test