This system features a waterproof transmitter which can be worn around your neck as a pendant or on your wrist. The call button is easily pressed in an emergency and can communicate with the pre-programmed, hospital grade Medical Alert Base Station up to 1,000 feet* away, giving you 24/7 access to our emergency Response Center.AdvancedLifeCall® with FallAlertTMLifeCall with FallAlertTM is designed to detect falls through its ability to distinguish between everyday actions (such as sitting or lying down) and the sudden drop that accompanies a fall. more... See more text