... . meets CE, RoHS, NF, ASTM Child Tracker Introduction: This child tracker is a safety electronic device for ... used as a wristband swimming pool alarm, tracking child locator and safety water alarm. Safety Angel is ... 100% tested before shipping Product Usage:Swimming pools, child, the old, garden, park, boat, sea etc ... 11) Anti-drowning/Lost range is about 50 meters.12) Anti-Lost range can't be adjusted. ...