Burris clip-on will help you take night hunting to a whole new level.Use the clip-on as a handheld tracker or turn any traditional riflescope into a thermal scope with a simple attachment.The clip-on features 4x power zoom, four color palettes, stadiametric ranging, hot track, manual and auto nuc, adjustable contrast and brightness.*note- the adapter is sold separately.Resolution: 400x300, 50HzMagnification: 1xObjective: 50mmField Of View: 7.50 x 5.60 DegreesBattery: 16340 Li-ion/CR123Dimensions: 7" L x 2.30" W x 2.40" HWeight: 14.10 ozControls: ManualBattery Life: Up to 3 hrs