Best birding and best stabilized binoculars 2021 according to Best Binocular Reviews! These lightweight, waterproof stabilization binoculars have intelligent sensors that control on/off and run on AA batteries for up to 60 hours! A second set of AA batteries can be stored in another battery compartment for an additional 60 hours. Available from portable 10x30 or 12x30 models up to 12x42 and 16x42 for more light gathering and magnification!