With this GSM listening device you will be able to listen to conversations in selected room at any time. It is not necessary to pay attention to the battery charge and won't have to charge it at all. You only need to plug it in the power outlet and you will stay connected 24 hours a day, seven days a week. This universal adapter is fully functional and can be plugged into any outlet in the world, regardless of the standard. To make the disguise even better you can attach to it some electric household appliance, such as a mobile phone charger. This listening device has no indication when it's functioning and that way no one will ever know that the room is being monitored.
GSM listening device in universal adapter
video GSM listening device in universal adapter
GSM listening device in universal adapter (ID: B15)