Cell Phone De-activator has a built in battery to support the operation for approximately 2 hours. Provision is also made to provide external DC supply through a jack

The battery charger-cum-DC power supply unit is provided along with the cell phone de-activator. It is normally recommended to use battery charger-cum-Dc power supply with the cell phone de-activator whenever AC power is available.

A main switch for the cell phone deactivator is provided on the unit and a red LED glowing adjacent to the switch indicates the operation of the unit. To power on cell phone de-activator, the switch should be made on and ensure the red LED glows. This indicates cell phone de-activator is operational

Battery charger-cum-DC power supply unit should be connected whenever the AC power supply is available. After switching off the cell phone deactivator, AC power supply should be applied for a period of one or two hours even if there is no AC power cut during the operation of the cell phone de-activator.

It is recommended to keep the battery of the unit in charged condition. If the cell phone de-activator is operated with battery for a longer period, say 1 to 2 hours, then by using battery charger-cum-DC power supply unit, it is necessary to charge the battery for at least 3-4 hours before reuse of cell phone de-activator.