Night Vision Digital 5x42 Video Camera Playback Hunting Model:A62817 Product Description Material:Acrylonitrile Butadiene Styrene (ABS) Maginification: 5x : Black Working voltage: 3.7V Replaceable : rechargeable Size: 20x8x5cm Objective lens diameter: 42mm Objective material: FMC Field of view: 5° x 3.75° Eyepiece adjustment