USB interface , Plug and play ,NO Sound! Ciphertext version: It displayed asterisk ****** 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

NOTE: The keyboards no sounds! YD541 keyboard is plug and play ,Don’t support programming again YD541D series password small keyboard emulation USB keyboard interface PC. Appearance (Form): a high security shelter outside professional. Key number: 15keys Key quality (Material): silica gel ABS button button Power Supply (Power Supply): by the system to provide +5 VDC Weight (Weight): 350g Dimension (Dimension): L130mm *W85mm * H23mm Interface: 1.Communication Usb interface. LCD When press a key from keypad the LCD keypd will display key Package include 1unitsx YD541 Keypad