... activity,hunting Berning88 5*50 Night Vision Monocular,Night Vision Rifle Scope,Hunting Monocular Specification: Lens magnification ,x3 5Objective lens diameter ... relief,mm15Power supply,vAAbattery (two 1.5V)Battery life IR on,hourUp to 40Battery life IR off,hourUp to 70Overall dimensions ... +60° HOT camping 5X Bering-88 brand ligh Night Vision Rifle scopes,Security for Hunting,Boating