Audiovox Prestige Xro9100 1 Mile 2 Way Paging Remote Start/alarm Combo with Oled Animated Full Color Display and 2 Remotes with All the Latest Features 1 One Way 4 Button 900 MHz Remote Control 1 Two Way 4 Button 900 MHz OLED Remote Control w/ Side Switch New Enhanced Panic Feature (Any button other than unlock stops siren, no change to the units state) Remote Panic In All Modes (Press & Hold Lock /Unlock Button For 3 Seconds To Engage) Programmable Door Lock Pulse Duration 1 Second / 3.5 Seconds/1 Sec L/ Dbl. U/L On Command RF Chirp Delete from Transmitter Or Selectable Through Software