TriLOC GPS Locator Watch for Wander Prevention (Alzheimer's, Autism, Developmental Disabilities) Multipurpose Button: SOS, Check-In, Emergency and Panic Fall Detection, Email and SMS Notifications Up to 1-Minute Location Updates, SafeTracks Software Login 2-Way Hands Free Voice, Rechargeable Lithium Battery Pack Wrist Worn Lockable Clasp and Tampering Alert