External Power Pack
Used to back up your RFID lock.
4 AAA batteries required, but not included. The plug is 3.5mm. When your batteries lose all their power, you will need an external power supply to open the lock so you can change the batteries.
This is an Emergency External Power Supply for all KR locks. products that have a plug port on the lock: This is also used with any lock that uses our Power jack cables. All power jack cables have a 3.5mm female plug. This is used as an emergency power supply.
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