Z-303A acts as a CIE device for emergency use. It can be worn on children’s or the elder’s wrist and when they ask for urgent assistance, simply push the red button and Z-303A will send the alarm message to the command center. CIE command center will then send out alarm sound or lighting alert for immediate help.

　　Z-303A is fully compatible with IEEE802.15.4 Zigbee HA profile and suitable for any Zigbee HA network.