The Sightmark Shade 256 thermal rifle scope delivers advanced thermal imaging with 3.5-28x variable magnification and Smart HD generation technology for superior target detection in any lighting condition.Sightmark Shade 256 Thermal Rifle Scope3.5-28x variable magnification range256x thermal resolution with CMOS sensorSmart HD generation thermal imaging51-degree field of viewIP55 water resistant environmental rating3.6-hour battery life with 2 CR123A batteriesDigital controls with diopter adjustment (-6 to +3)Compact dimensions: 4.20 x 5.90 x 13.75 inchesIdeal for hunting tactical applications and wildlife observation where thermal detection capabilities are essential for target identification in challenging environments.