1. introduction

 info: IP Indoor Monitor (VTH)
model: DHI - VTH1550CH
  mac: 38:af:29:12:54:99
   ip: 10.1.1.201
 info: IP Villa Outdoor Station (VTO)
model: DHI - VTO2000A
  mac: 38:af:29:12:50:7f
   ip: 10.1.1.202

2. accounts

admin:admin admin:123456 (master account of local and network accessing)
888888:888888 (local administrator)
666666:666666 (restricted user)
default:default (hidden user)
root:vizxv (account when connecting via telnet)
root:7ujMko0admin (hey, this is working !)

3. factory reset

3.1. indoor station (VTH)

Note default ip address: 192.168.1.109

3.2. outdoor station (VTO)

press the button 5 times, you will hear the siren and a short beep

./pic/dahua_reset_out01.png

./pic/dahua_reset_out02.png

sample

Note default ipaddress: 192.168.1.110