Анти-потерянный сигнал тревоги / безопасность продукта

This Anti-lost Alarm is prevent children or pets losing, prevent purse or baggage being stolen, prevent valuable things leaving somewhere Search function and ring + vibration Without radiation, environment friendly Compact and easy to carry Freely adjust safe distance within a wide rang (0-25 m, varies with the objects to be protected) Specific Dimension: Sender diameter 24.5 mm / thickness 7 mm Weight 36 g; Receiver - 80 x 200 x 17 mm Weight 64 g security product Uses 1 x CR2032 button cell battery and 1 x AAA battery (included) Packaging: One set with a sealed clamshell blister with illustration card