Applies to: DH81NK/DH41NK/DM21O/DM31O/DL81A/DH81S/DH81NG/DN81NB/DM41G/DN41CJ/DN81BJ/DN61EC/DG81W/DG61X/DG41T/DT81DQ/DT41DC/DT61ER/DG41BE/DG81BE
#1. Find the Serial Number and NAT Status
#2. Find the QR Code
#1. Find the Serial Number
There are two methods to find your serial number.
Step 1. Connect your DVR to a monitor. Click the right button of your mouse and enter the Main Menu on the monitor.
Step 2. Select Info.
Step 3. Click Version. You’ll find the serial number and NAT status of your DVR.
On the premise that you haven’t connected the DVR to a monitor, and you are unable to log in the system, please see the instructions below to find your serial number.
Step 1. Connect the DVR to a router via an Ethernet cable.
Step 2. Get a computer which has been connected to the same router.
Step 3. Install the software DeviceManage into your computer.
Step 4. Turn on the software, and check if the software can detect the system’s serial number (see the picture below).