iCrown(TM) Anti-Lost Kids Pet Elder Safety Wristband Alarm Device Protect Child Outdoor 100% brand new and high quality. Ideal product to protect your child against lost in public places, such as park, garden, shopping mall etc Simple operation, just place the transmitter on child's wrist The receiver will sound alarm and vibrate if child is out of the set distance Adjustable range from 0 to max 15 meters by turning the control Safeguard against child, pet, wallet, cell pone and luggage Small size, portable to take