Strengths
- Immediate alert when front/back door opens
- Loud local alarm wakes sleeping caregiver
- Smartphone notification to caregiver
- Inexpensive — multiple doors protected
- No patient cooperation required
- First line of wandering prevention
- No GPS — only detects door opening
- Caregiver must be nearby or awoken to respond
- Alarm may distress patient
- Not suitable for outdoor wandering