Hey guys get the latest new firmware for the new 4.0 models. Attention, the firmware right now support these models only, i will add more models when we get more stocks next week. Models for IPC-T5442TM-AS, IPC-T5442TM-AS-LED IPC-B5442E-ZE IPC-B5442T-ASE IPC-HFW5241E-Z12E Will add more new models soon. Buy Products Online from China Wholesalers at Aliexpress.com New Features： 1 Optimized white balance function for the device with BG filter. 2 Optimized IVS algorithm, and the exposure time has been changed to 40 ms under IVS. 3 Intelligent (Face) device can isntall diagnostic tool. 4 Updated structuralization function. 5 Security baseline 2.0. 6 010 SDK. 7 Functions of baseline V2.8. 8 Optimized siren/light alarm function FIXED Bug: NONE. Attention, this firmware not suit for IPC-HDW5231R-ZE or IPC-HDW2231R-ZS, they work for the new 4.0 AI only.