No. Item Specification 1 Model DPK-5700 2 Size Faceplate:(334200204)mm 3 Characteristic Five in One: metal password keyboard, interphone, pricing device, display screen, humanistic conveyor groove This product makes the cash register more efficient and the passwords more secure, avoiding being peering by others when inputed by the customers. EPP,interphone and passage groove integrate together .It makes more secure for imputing passwords and more cleaner for counters Private password input: integrating stainless steel EPP,100% peering-proof, ensuring the security of imputing passwords.and being used for more than one million times. The Inlaying talk-back system:inlaying and automated two sides interphone system. no echo and noise by using microcomputer processing. improving the staffs\' working environment. Secure Currency and Document Transfer: human oriented design for counter, more secure and more convenient transfer for currency and document .outfitting the vandal proof shutter strictly in term of the require of The Central Bank of China.