A strong alarm device 3 sound levels Placed at the door on the ground as shown in the pictures.. .. .. Works with a 9-volt battery .. When the door is opened, it makes a very loud sound Suitable for protecting children, it alerts that the door has opened Also suitable for unsafe places .. The price is 35 riyals Shipping is available outside Jeddah for 22 riyals via SMSA or Aramex At the buyer's expense, it arrives after two days .. My location is Jeddah, Prince Fawaz district..