USB 15 Keys Keypad Numeric Keyboard Numpad for Bank,Telecom, Mobile Unicom Business Hall Counter, Financial POS Payment System Digital Keyboard (YD541-Plaintext No Sound)

USB interface , Plug and play ,NO sounds! Plaintext version: It displayed 123456789 on the LCD screen when you press the number keys! Sturdy and Safely , It attaches a protect case . Application : Bank / telecom / mobile / Truck Access/ Unicom business hall counter, financial payment system, financial social security system, or POS terminal equipment that needs to provide password input. LCD tip: supports dual line character LCD ,Input keyboard: 10 numeric keys, 2 function keys, F1-F3 custom buttons (you need contact us before you order). Cryptographic algorithms: DES and Triple DES.Customizable of Keyboard . Pls contact me before order YD541 keyboard is plug and play ,Don't support programming again