Trusted by N.A.S.A for use on the International Space Station, the new SensorKlear™ Loupe Kit contains everything a photographer needs to keep their own DSLR camera sensor free from dust and to make sure that all photos come out clear and spotless. The SensorKlear Loupe Kit for DSLR Cameras includes: - SensorKlear Loupe™ to detect dust or particles on the sensor surface - LensPen® Hurricane Blower to remove any dry dust or particles - SensorKlear II™ pen to remove those dreaded particles of sticky dust - Batteries are included. The unique design of SensorKlear Loupe and SensorKlear II allows you to see and clean at the same time – your sensor will love you!