We are specialized in industrial and military communication telephone handsets,keypads, cradles, and related accessories for more than 14 years. Any detail pls check our company website: www.yyxlong.cc and our alibaba shop :https://yyxlong.en.alibaba.com 1.Keypad made of stainless steel.Vandal resistance. 2.Font button surface and pattern can be customized according to customer requirements 3.Double-sided board,Good for contact of gold-finger. 4.4X4 layout, Matrix design. 10 number buttons and 6 function buttons
