1.anti-lost alarm 2.25m distance 3.with sender and receiver 4.good for kid/pet DescriptionElectronic anti-lost alarm, safeguard against mobile/kid&pet/wallet&luggage/other precious things.Advantages: Anti-lost function,environmental protection function: no radiation,searching function, alarm with vibrating,small size and portable.Features: Free regulation and control within 0-25 meters for the ...