It consists of two parts, Base Unit (for parents) and Wrist Bracelet (for children).
Including three functions:
1. Anti-Drowning Alarm: When the Wrist Bracelet is immersed into the water, the Base Unit will flash, sound alarm and vibrate immediately.
2. Anti-Lost Alarm: When the Wrist Bracelet is leaving a presettable distance (0-50m), the Base Unit will flash, sound alarm and vibrate immediately.
3. Personal Alarm: When parents meet an emergency, they can fast press HELP button to alert people around to ask help, like a SOS.