The ELK-M1KPNAV is a stylish Touch Screen Keypad designed for use with the M1 Control System. Featuring a touch sensitive 3.5" LCD Color display with bright, graphic icons and softkeys, the ELK-M1KPNAV is user-friendly and easy to navigate. The keypad connects to the M1 Control Board panel using the RS485 bus, making it ideal for both new and retrofit installations. Also known as -Elk Products, Inc. LCD KYPD 3.5 CLR TCHSCRN - EK-M1KPNAV