2000 Series Em Style Access Control Keypad. Indoor/Outdoor Flush Mount Design. Single Gang. 500 Users. Durable Metal Trim. Features Heavy Duty Metal Keys With Braille And Sounder. Two On-Board Output Relays Programmable. Door Monitor Input And Rex Input. Keypad Program. Stand Alone Mode Wiegand Output Mode And Iei Secured Series Output Mode Selectable. 10-30 VDC, 12-24VAC. 5 Year Warranty.