This product is either discontinued or we cannot get that from suppliers.
Dahua 8mp Starlight Ip Vandal Dome Motorized 3.7 11mm AA-DH-IPC-HDBW2831RP-ZS-3711, 1/1.8” 8Megapixel progressive CMOS, Micro SD card slot, up to 128GB 3.7~11mm motorized lens, 4 megapixels, Frame frequency 25/30 fps, Micro SD up to 256 GB
The IR Megapixel Vari-focal camera delivers with a 2.7mm – 13.5mm or 3.7mm – 11 mm varifocal lens.The camera's elegant blend of aesthetics combined with a range of easy mounting solutions provides an excellent choice for a variety of small to mid-size applications at an affordable price.