Medical Alert Systems are a form of Personal Emergency Alarms designed to contact help for individuals in case of accidents or injury. A Medical Alert System can be installed using an existing phone service or operate on cellular transmitters making them convenient and easy to use for all individuals. A Medical Alert System can be activated in case of emergency with the simple push of a button. The alarms are available as pendants or wristwatches. Some Medical Alert System units have two-way communication capabilities making it easy for your monitoring company to communicate with you in case of an emergency. Transmitter range will be dependent on the layout and size of your home. Medical Alert Systems are generally utilized for elderly care, but are not uncommon for use during recovery from surgery or domestic violence situations.