We offer full UK support on all the products we sell. Please feel free Contact us by phone or email if you have any queries regarding our products The OptiVisor Headband is a precision binocular headband magnifier which reduced eye strain and leaves both hands free. It features Optical Polished Glass Lenses - Ground and polished to precision optical standards with beveled edges and mounted in an interchangeable plastic frame The Allendale Group Ltd was founded in 2003 and now operate from over 30,000 sq. feet of warehouse space in Hoddesdon, UK and Hangzhou, China. A British company, owned and run by a group of electronic and mechanically minded engineers, sourcing and developing product from all over the world, ensuring we can offer competitive prices and the latest technology on the mark.