This product is either discontinued or we cannot get that from suppliers.
Dahua DH-IPC-HFW2831TP-AS-0360B-S2 8mp Ip Wdr Ir Bullet Network Camera, Sensor: 1/2.7” 8Megapixel progressive CMOS, Max. Resolution: 3840 (H) × 2160 (V), ROM: 128 MB, RAM: 256 MB, Electronic Shutter Speed: Auto/Manual 1/3 s–1/100,000 s, Fixed-focal: Lens, WDR: 120 dB.
With upgraded H.265 encoding technology, Dahua Lite series network camera has efficient video encoding capacity, which saves bandwidth and storage space.