alex park

you can see many kinds of products with different brand from different countries. choice is itself troublesome. even though the spec is same, i'd like to recommend well known brand like Honeywell and Bosch not a china originated brand much so far. although main chip which decides the spec is same, finally the camera quality is made with the attitude of manufacturing. they pays.

try it again slowly. It is almost impossible for manufacturers to remove reset menu on OSD. It is very easy