DS-2TD1228-3/QA is an improved version of DS-2TD1217-3/V1 with various improvements, including better detection and measurement of temperature
Read much more about that - and everything else - on the product page for the new version: DS-2TD1228-3/QA
We have kept the product page for DS-2TD1217-3/V1 so that you always have easy access to the documentation.
Thermal
160x120
Min. Focus 0.2m
H.265+
PoE