IEI International Electronics 2000E E style keypad<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Single gang flush mount design</li><li>Backlit hardened keys</li><li>Polycarbonate trim</li><li>Key press feedback via sounder and yellow LED</li><li># Built-in assignable sounder# Bi-color Red/Green LED indicates relay status# Indoor/Outdoor Use# Keypad Programmable# UL 294 Access Control listed - (242 &amp; SSW only)# 12-24 VDC/VAC - Auto voltage sensing (AVS)# Dimensions: 4.50 x 2.75 x 0.60</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41DqrgwtNUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41kURr2NBaL.jpg" noproxy>