When someone took the supermarket thing supermarket alarm at the door why the alarm.
Because something sticks above the bar code, you need to disassemble after the cashier will not ring
Because the alarm itself is for the supermarket goods were stolen and set the juice. Why would the police who will not tell the answer.If you think of the supermarket to steal things people know the alarm settings and procedures. That design the alarm The supermarket will have no other food, so that the goods will be stolen.
Supermarkets have magnetic identification code, you pay the money, the waiter must be demagnetized, otherwise the door of the alarm will alarm.
