External Power Supply Box with 2.5mm and 3.5mm Jack for Some Safe Box

Features:

• The external battery pack is suitable for all keypad with female plug connector.
• The battery pack will supply power to the module, allowing you to access the safe with your registered fingerprints or pass code to change the batteries.
• The external battery pack is for some safe box,gun safe,key safe with the female plug connector on keypad of safe box.
• In the event of battery failure, this External Battery Pack can be used to access the Safes by plugging it into the module on the safe.