• Support door opening information, alarm message upload.
• In-line lock cylinder to reduce maintenance costs.
• Low battery reminder, timely reminder to replace the battery.
• After the battery is completely dead, it can be started by an external micro USB emergency power supply.
• Support door opening to record power failure and continuous transmission.
DS-K4SL500MKW
- Made in | China
- Our team provides technical support .
- Available in our store
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