Vibration alert won't disturb guests * Pagers can be programmed on-site * Out-of-range indicator * Uses two AAA batteries: No NiCad battery problems, No waiting for re-charging, No charging stations to maintain * Special circuitry extends battery life * LED displays which station is calling * On/Off switch for extended battery life * 1, 2, 3 vibration capability * LED displays server's assigned number * One mile radius