- No language barriers.
- Provides a comprehensive and detailed service at low cost.
- Can be used with computerized means or without them.
- Maintains useful in cases of blackouts.
- Supports visual reading (without energy or electronic media or readers) what makes this current information permanently.
- Increase our reassurance about the safety of sick family members (eg, allergies, use of anticoagulant medication, etc..).
- Facilitates immediate location of people.
- It is necessary for anyone, even healthy.
