Hikvision are always bringing out new and improved products with slightly different product codes, but their documentation doesn't always make it obvious what the improvements are. The most recent example of this is the introduction of the 2nd Generation AcuSense products to replace the 1st gen range, below is a list giving a brief summary of some of the key changes brought in with the 2nd generation Acusense models (2xx6G2) and you can see a more detailed rundown of all the changes in the...
AcuSense IP Cameras - Improvements made from Generation 1 (G1) to Generation 2 (G2) Models
AcuSense IP Cameras - Improvements made from Generation 1 (G1) to Generation 2 (G2) Models