This unit can be used in three configurations (handheld monocular mounted riflescope and clip-on) with all the necessary accessories that are already included in its package. 3 - 1 Thermal monocular sighting optics and clip- on Waterproof Resolution 384A-288 35mm focal length Built-in rangefinder (up to 800 M) Temperatures supported: -30 to + 50AdegC / -22 + 122 #F 4 Palettes: warm white/warm black/warm red/fusion Photo shooting and video recording function Wi-fi hot spot Adjustable auto power off Search range 2500 meters- 2750 YDS Battery charging time: 5H 32GB built-in memory module Runs on a 18650 rechargeable lithium battery Monocle and sighting optics configuration provide zoom magnification from 3x to 24x The sighting optics configuration includes a Weaver/ Picatinny rail mount and 6 different reticles. The clip-on configuration fits any optic with a target diameter of 44MM-50MM-56MM thanks to set #7961