Estimated Battery Life (without IR): 70hrs Estimated Battery Life (with IR): 20hrs Operating Temperature -4 To +104 Binocular Weight (without Batteries) : 14 Oz Headmount Weight: 8.9 Oz Hands Free Operation When Used With Headmount (included) Easy To Use One Hand Adjustments High Quality Image And Resolution Close Observational Range Of Focus High Power Built-in Infrared Illumination Ergonomic Design And Quick Power Up 1/4 Inches Socket For Tripod Or Weapons Mount Lightweight And Durable Composite Body Equipped With An Automatic Shut Off Feature That Turns Off The Unit When Exposed To A Bright Light Source Sightmark Limited Lifetime Warranty Covering Defects In Manufacturing Carries CE Symbol On Packaging And Actual Device Includes A Protective Carry Case For The Binocular And One For The Head Mount A Lens Cleaning Cloth And Users Manual With Warranty Card. – Requires :(2) AA Batteries (3v) **not Included**