This product is either discontinued or we cannot get that from suppliers.
Dahua DH-IPC-HDW2831EMP-AS-0280B-S2 8mp Starlight Ip Turret Fixed, Sensor: 1/2.7” 8Megapixel progressive CMOS, Effective Pixels: 3840 (H) ×2160 (V), Rom: 128 MB, Ram: 256 MB, Shutter Speed: Auto/Manual 1/3 s–1/100,000 s, Lens: Fixed-focal, Mount: M12, WDR: 120 dB.
With upgraded H.265 encoding technology, the Dahua Lite series network camera has efficient video encoding capacity, which saves bandwidth and storage space.