VESA Mount, requires one of the following: rotating Handstrap, rotation Neckstrap or Back bracket, fits for: Elo Pay M100. Elo Touch Solutions, Inc., 670 N McCarthy Blvd Milpitas, CA 95035 USA. Dodavatel: eD system a.s., Novoveská 1262/95, 709 00 Ostrava - Mariánské Hory, CZ, info‑usa@elo.com, info@elo-digital.cz