human: Describe taxonomy code 333300000X

gpt: Code: 333300000X
Name: Emergency Response System Companies
Group: Suppliers
Classification: Emergency Response System Companies
Specialization: 
Definition: A supplier of a personal emergency response system (PERS), which is an electronic device that enables a patient to receive emergency assistance when needed. The PERS is one of two different methodologies of notification: (1) where the patient summons emergency assistance themselves directly through the device or (2) emergency assistance is summoned through secure activation by the caretaker/guardian, which sends the device location to emergency responders.