AGM Global Vision RATT25-320-2 Rattler V2 Thermal Black 3.5-28x 320x256 50Hz ResolutionThe RattlerV2 brings many of the most sought after design improvements into one sleek new housing. These improvements include, but are not limited to: dramatically expanded battery life offered through the units proprietary removable and rechargeable battery system, which will afford users 6. 5 hours on a single charge (2 included), an expanded built in reticle assortment, expanded brightness and contrast settings, shot activated recording with sound